$allSearchTerms : Array of the search terms in all content languages
&$titleResult : Outparam; the value to return. A Title object or null.
+'SearchAfterNoDirectMatch': If there was no match for the exact result. This
+runs before lettercase variants are attempted, whereas 'SearchGetNearMatch'
+runs after.
+$term : Search term string
+&$title : Outparam; set to $title object and return false for a match
+
'SearchGetNearMatch': An extra chance for exact-title-matches in "go" searches if nothing was found
$term : Search term string
&$title : Outparam; set to $title object and return false for a match