There is no limit to the level of nesting which you can use in a query. If Boolean operators appear in quotes, or as part of a quoted phrase, they will be interpreted as a search term or part of a search term, rather than a Boolean operator. You must have at least four non-wildcard characters in a word before you introduce a wildcard. Useful for commonly misspelled words You can also use multiple truncation symbols within a single word. Expanded words found by using truncation symbols will not affect the relevancy ranking of those sites, so you may want to use additional related terms in your query to ensure that your results are accurate and meaningful.
Fielded searches can contain full Boolean expressions.
They can also be contained within larger Boolean expressions.