Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh co duoc snippets" » "danh cho duoc snippets", "doanh co duoc snippets", "anh co duoc snippets", "danh tao duoc snippets", "danh hoa duoc snippets", "danh hoc duoc snippets", "danh co duoc 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: (((("danh co duoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh co duoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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