Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thi thuc tim snippets" » "thai thuc tim snippets", "thi thu tim snippets", "thi thuy tim snippets", "thi thuc tin snippets", "thi tuc tim snippets", "thi thuc tien snippets", "thi thuc 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: (((("thi thuc 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: (((("thi thuc tim snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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