Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi cac thoi snippets" » "hoi cac toi snippets", "hoi cac hop snippets", "hoi cac tro snippets", "hoc cac thoi snippets", "voi cac thoi snippets", "hoa cac thoi snippets"

Try widening your search to All Fields.

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