Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan lai cho snippets" » "phan lai code snippets", "phan loai cho snippets", "phan lap cho snippets", "phan lan cho snippets", "phan lai chau snippets", "phan bai choi snippets", "phan lai cuoc 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 lai cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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