Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi quan voi snippets" » "phi quan code snippets", "thi quan voi snippets", "phap quan voi snippets", "phan quan voi snippets", "phi quan doi snippets", "phi quan vi snippets", "phi quen voi 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: (((("phi quan voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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