Perhaps you should try some spelling variations:
"dung vinh java snippets" » "dang vinh java snippets", "dung ninh java snippets", "quang vinh java snippets", "dung trinh java snippets", "dung vinh java slippers"
"manh hung code snippets" » "anh huong code snippets", "manh hung code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

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