Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc thi tich snippets" » "duc thi bich snippets", "duc thu tich snippets", "duc thi tinh snippets", "duc thai tich snippets", "luc thi tich snippets", "duc tho tich snippets", "duc thi 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: (((("duc thi 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: (((("duc thi tich snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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