Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran tu sinh snippets" » "tran tuan sinh snippets", "tran thuy sinh snippets", "tran thi sinh snippets", "tran thu sinh snippets", "tran tuc sinh snippets", "tran tu minh snippets", "tran tu sinh 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 tu sinh 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 tu sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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