Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tu tieng toc snippets" » "tu tieng code snippets", "tu tieng noi snippets", "tu tien loc snippets", "tu tieng duc snippets", "luc tieng toc snippets", "tu tuong toc snippets", "tu trong toc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("tu tieng toc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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