Enhanced search

it is possible to search one word or more words together
(if you will enter more words separated by spaces, records containing all words will be found (equal to entering AND operator)
upper and lower case of word are not distinguished
it is possible to use masking using asterisk (for searching of words beginning with with lov - lov*, ending by lov - *lov and containing lov: *lov*
it is possible to use logical operators AND, OR and NOT
you can use parentheses for composing of searched expressions

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