Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dan hoc tich snippets" » "dan hoc lich snippets", "dan ho tich snippets", "dan hoc dich snippets", "van hoc tich snippets", "dan toc tich snippets", "dai hoc tich snippets", "dan hoc tich 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: (((("dan hoc tich snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan hoc tich snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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