Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc thu sinh snippets" » "duc thu minh snippets", "duc thu kinh snippets", "duc thuoc sinh snippets", "duoc thu sinh snippets", "duc tho sinh snippets", "duc tu sinh snippets", "duc thu 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: (((("duc thu 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: (((("duc thu sinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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