Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"co dong ngan snippets" » "co duong ngan snippets", "co dung ngan snippets", "co dong nhan snippets", "o dong ngan snippets", "cong dong ngan snippets", "lao dong ngan snippets", "co dong ngan 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: (((("co dong ngan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co dong ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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