Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"chen hoc phi snippets" » "khien hoc phi snippets", "chung hoc phi snippets", "cho hoc phi snippets", "chen hoc pho snippets", "chen hoc chi snippets", "chen hoc khi snippets", "chen hoc phi 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 hoc phi 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 hoc phi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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