Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi hoi luan snippets" » "thi hoa luan snippets", "thi hoc luan snippets", "thi khoa luan snippets", "thi hoai luan snippets", "thi choi luan snippets", "thi hai luan snippets", "thi hoi luan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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