Perhaps you should try some spelling variations:
"trinh cach nang snippets" » "tinh cach nang snippets", "trinh cac nang snippets", "trinh mach nang snippets", "trinh cach mang snippets", "trinh sach nang snippets", "trinh cach nhanh snippets", "trinh cach nang slippers"
"dung java java snippets" » "dung va java snippets", "dung java java 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.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") or ("trinh cach nang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh cach nang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh cach nang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh cach nang snippets"))) or ("locating bug code snippets"))*.