search - change precedence in a query, 'AND' or 'OR', without () -

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i'm doing search query in lucene searchengine. since i'm doing railo setup i'm having trouble parenthesis bug

so can't query like(which need):

"exact term here"^10 or "less exact term"^5 or ("loose term1" , "loose term2" , "loose term3")

but like:

"exact term here"^10 or "less exact term"^5 or "loose term1" , "loose term2" , "loose term3"

but behave like:

("exact term here"^10 or "less exact term"^5 or "loose term1") , "loose term2" , "loose term3"

is there way around without parenthesis


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