Search

Query syntax

term
Query term should occur.
+term
Query term must occur.
-term
Query term must not occur.
term*
Wildcard search for zero or more characters.
term?
Wildcard search for one character.
"..."
Phrase search.
term~n
Fuzzy search. (The number n is optional)
term^n
Boosting. (The number n is required)
field:term
Field-specific search.

For further details, see here or here.