Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thu hoan hat snippets" » "thi hoan hat snippets", "thu hoach hat snippets", "thu ha hat snippets", "thu hoan hao snippets", "thu hoa hat snippets", "thu hoang nhat snippets", "thu hoan hat 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: (((("thu hoan hat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thu hoan hat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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