Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang tranh cua snippets" » "hoang tranh code snippets", "hoang thanh cua snippets", "hoang tran cua snippets", "hoang trang cua snippets", "hoang doanh cua snippets", "hoang manh cua snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hoang tranh cua snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
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• Removing quotes may allow a broader search: (((( hoang tranh cua snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
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