Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao dan tra snippets" » "tao danh tra snippets", "tho dan tra snippets", "dao dan tra snippets", "tao dan ta snippets", "tao van tra snippets", "tao dang tran snippets", "tao dan 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: (((("tao dan 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: (((("tao dan tra snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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