Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi thuan ta snippets" » "thi than ta snippets", "thi thuong ta snippets", "thi thu ta snippets", "thi thuat tao snippets", "thi nhuan tai snippets", "thi thuan cam snippets", "thi thuan ta 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 thuan ta 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 thuan ta snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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