Aww the usual rules fur searching huv been introduced - they ur the same fur maist search stuff (like Google) so nae doubt ye already know this! ...

"AND" is the default so if ye type: fannybaws brillyunt it wull search fur things that contain baith fannybaws AND brillyunt
"OR" is easy: If ye type fannybaws | brillyunt it wull search fur things that contain fannybaws OR brillyunt
"NOT" is easy an aww: If ye type fannybaws -brillyunt it wull search fur things that contain fannybaws but NOT brillyunt
"phrase search": If ye type "that is shite" (quotes needed!) it wull search fur an exact match fur that phrase
"Wildcard": You can use the * as a wildcard. *baws, fan* and *nny* would aww find fannybaws