Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huy van nhan snippets" » "huy van phan snippets", "huy van thanh snippets", "huy danh nhan snippets", "thuy van nhan snippets", "duy van nhan snippets", "quy van nhan snippets", "huy 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: (((("huy 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: (((("huy van nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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