Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huy dung lam snippets" » "huy duong lam snippets", "thuy dung lam snippets", "huy dong lam snippets", "huy dung luan snippets", "huy dung tai snippets", "huy dung dat snippets", "huy dung lam 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 dung lam 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 dung lam snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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