Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban toi cac snippets" » "ban toi code snippets", "ban thoi cac snippets", "ban moi cac snippets", "ban thi cac snippets", "ban tai cac snippets", "ban voi cac snippets", "ban ton cac 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: (((("python using java snippets") or ("ban toi cac snippets"))) or ("locating bug core snippets"))~.
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