Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc vat toi snippets" » "hoc vat code snippets", "hoc va toi snippets", "hoc viet toi snippets", "thuc vat toi snippets", "hoc van toi snippets", "hoc vat doi snippets", "hoc vat moi 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: (((("hoc vat toi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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