Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bac tao mach snippets" » "bac tao bac snippets", "bac tao may snippets", "bac tim mach snippets", "bac cao mach snippets", "bac tai mach snippets", "bac thay mach snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bac tao mach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac tao mach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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