Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"day ban nhat snippets" » "day ban nhan snippets", "day ban nha snippets", "day ban chat snippets", "tay ban nhat snippets", "da ban nhat snippets", "day dan nhat snippets", "day ban 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: (((("day ban 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: (((("day ban nhat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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