Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"rong cho voi snippets" » "rong cho code snippets", "trong cho voi snippets", "dong cho voi snippets", "luong cho voi snippets", "rong choi voi snippets", "rong cho moi snippets", "rong pho 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: (((("rong cho voi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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