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  • Enable simple search - This will show a simple search form and a link to a more advanced form.
  • Only search for complete word matches - This option limit search results to full words that match a users query. For example, if this option is disabled, a search term like 'here' would match 'here', 'there', and 'hereafter'. Enabling this option would limit search results to only match 'here'.  Please notice that enabling this option might slow down the search function, especially if the amount of messages is large.
  • Disable temporary tables - This option prevents the usage of temporary tables. Since this option makes search queries slower, it's advisable to only use it if you don't have permissions to create temporary tables.
  • Number of search results per page - The amount of results per page that will be shown after searching for a string.
  • Maximum cached searches - Search caching is used to limit the amount of extensive database queries. Once the user has entered a search query, the results are cached in the database. This way, the next pages of the search results are already available without need for extensive search. Use this setting to limit the amount of cached results. Increasing this value requires a larger database (about 20kb for each cached result).
  • Relative search weight for number of matching messages within a topic - Weight factors are used to determine the relevancy of a search result. Change these weight factors to match the things that are specifically important for your forum. For instance, a forum of a news site, might want a relatively high value for 'age of last matching message'. All values are relative in relation to each other and should be positive integers.  This factor counts the amount of matching messages and divides them by the total number of messages within a topic.
  • Relative search weight for age of last matching message - Similar to the above. This factor rates the age of the last matching message within a topic. The more recent this message is, the higher the score.
  • Relative search weight for topic length - Similar to the above. This factor is based on the topic size. The more messages are within the topic, the higher the score.
  • Relative search weight for a matching subject - Similar to the above. This factor looks whether a search term can be found within the subject of a topic.
  • Relative search weight for a first message match - Similar to the above. This factor looks whether a match can be found in the first message of a topic.