value: query terms separated by "+". A term prefaced by %3A(":")
will find only that form of the word. A term without a
preceding
colon will find all forms of the word, as well as forms of words with
similar
dictionary heads, if they exist.
querystring=natura
searches for sentences containing any form of natura
querystring=natura+%3Acirculi
searches for sentences containing any form of natura but only
circuli,
the genitive singular of circulus