Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"chen wen anh snippets" » "cheng wen anh snippets", "chen den anh snippets", "chen chen anh snippets", "chen dien anh snippets", "chen tien anh snippets", "chen wen fang snippets", "chen wen anh 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: (((("chen wen anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chen wen anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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