Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha hat nhan snippets" » "pha ca nhan snippets", "pha van nhan snippets", "pha ban nhan snippets", "phap phat nhan snippets", "pham nhat nhan snippets", "phan phat nhan snippets"

Try widening your search to All Fields.

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