Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phu hoi ve snippets" » "phu hoi code snippets", "phuc hoi ve snippets", "phu doi ve snippets", "thu hoi ve snippets", "phu hoi va snippets", "phu moi ve snippets", "phu noi ve 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: (((("phu hoi ve snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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