Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phan ve cho snippets" » "phan ve code snippets", "phan le cho snippets", "phan va cho snippets", "pha ve cho snippets", "phan ve co snippets", "phan ve che snippets", "phan de cho 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 ve cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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