Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung hoc la snippets" » "dong hoc la snippets", "dung thuoc la snippets", "trung hoc la snippets", "dung hoc lam snippets", "dung hoc lap snippets", "dung hoc lao snippets", "dung hoc la 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: (((("dung hoc la snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hoc la snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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