Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duy phan phi snippets" » "duc phan phi snippets", "dung phan phi snippets", "duy khanh phi snippets", "duy phan phoi snippets", "duy phan thi snippets", "duy phan phat snippets", "duy phan phi 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 phi 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 phi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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