Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"chon vi phan snippets" » "chon va phan snippets", "chon vi pham snippets", "chon ve phan snippets", "cho vi phan snippets", "con vi phan snippets", "cuon vi phan snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("chon vi phan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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