Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran mai liu snippets" » "tran bai liu snippets", "tran hai liu snippets", "tan mai liu snippets", "tran tai lieu snippets", "tran mai linh snippets", "tran miao liu snippets", "tran mai liu 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: (((("tran mai liu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran mai liu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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