Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pham phuc nu snippets" » "pham chuc nu snippets", "pham thuc nu snippets", "pham thuoc nu snippets", "pham phu nu snippets", "pham phuc vu snippets", "pham phuc su snippets", "pham phuc nu 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: (((("pham phuc nu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pham phuc nu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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