Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc tan mach snippets" » "hoc tran mach snippets", "hoc ban mach snippets", "hoc tao mach snippets", "hoc dan mach snippets", "hoc tap mach snippets", "hoc tai mach snippets"

Try widening your search to All Fields.

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