Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh cho tra snippets" » "danh cho tre snippets", "danh cho toa snippets", "danh cho sara snippets", "doanh cho tra snippets", "dan cho tra snippets", "dinh cho tra snippets", "danh cho tra 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: (((("danh cho tra snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh cho tra snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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