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