Different wildcards are supported for different search types:
* is limited to five uses and
? to ten in any search.
An asterisk represents zero or more characters in a search expression.
Searching for contract* will find not only contract but also contracts and contractual. The query *auto will find tautology, etc.
A question mark may be used to represent a single character in a search expression.
Searching for ho?se will find both house and horse.
Quotations will search for the exact phrase.
Searching for "small car" will not find small blue car.
Searching without quotations for small car will return any segments containing the word small or the word car.