Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duy phan xac snippets" » "duc phan xac snippets", "dung phan xac snippets", "duy khanh xac snippets", "duy phan xay snippets", "duy phan cac snippets", "duy phan bac snippets", "duy phan xac 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: (((("duy phan xac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duy phan xac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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