Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"anh kiem rap snippets" » "anh kien rap snippets", "khanh kiem rap snippets", "nganh kiem rap snippets", "anh kiem tra snippets", "anh kiem va snippets", "anh diem cap snippets", "anh kiem rap 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: (((("anh kiem rap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh kiem rap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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