Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phi quang wu snippets" » "phi quan wu snippets", "pho quang wu snippets", "phu quang wu snippets", "phi quang cu snippets", "phi quang huy snippets", "phi quang tru snippets", "phi quang wu 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: (((("phi quang wu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi quang wu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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