Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phu van nhan snippets" » "phu van phan snippets", "phu van thanh snippets", "phu danh nhan snippets", "phuc van nhan snippets", "chu van nhan snippets", "phu san nhan snippets", "phu van nhan 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: (((("phu van nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phu van nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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