Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"danh hau duc snippets" » "danh dau duc snippets", "danh cau duc snippets", "doanh chau duc snippets", "danh huu duc snippets", "danh pham duc snippets", "danh phan duc snippets", "danh hau duc 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 hau duc 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 hau duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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