Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat cho nhat snippets" » "dat cho nha snippets", "dat cho nhan snippets", "dat cho phat snippets", "dac cho nhat snippets", "day cho nhat snippets", "dan cho nhat snippets", "dat cho nhat 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: (((("dat cho nhat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat cho nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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