Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoi hoc nhat snippets" » "hoi hoc phat snippets", "hoi hoc chat snippets", "hoi hoc hat snippets", "hoa hoc nhat snippets", "khoa hoc nhat snippets", "hoi chuc nhat snippets"

Try widening your search to All Fields.

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