Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phi duc tien snippets" » "phi duc thien snippets", "phi luc tieng snippets", "phi thuc tien snippets", "pham duc tien snippets", "phan duc tien snippets", "chi duoc tien snippets", "phi duc tien 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: (((("python using java snippets") or ("phi duc tien snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phi duc tien snippets"))) OR ("locating bug code snippets")).
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