Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"day cuon tim snippets" » "day con tim snippets", "dai cuong tim snippets", "dao cuong tim snippets", "day duong tim snippets", "day cuon tieu snippets", "day chon tin snippets", "day cuon tim 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 cuon tim 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 cuon tim snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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