Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tao dinh su snippets" » "tai dinh su snippets", "dao dinh su snippets", "tao tinh su snippets", "tao dinh so snippets", "tao hinh su snippets", "tao dinh cu snippets", "tao dinh su 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: (((("tao dinh su snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tao dinh su snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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