Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan le hoc snippets" » "phan le code snippets", "pham le hoc snippets", "phan mem hoc snippets", "phan lap hoc snippets", "phan li hoc snippets", "phan ly hoc snippets", "phan le hoi 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: (((("phan le hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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