Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"cong tran viet slippers" » "cong tan viet slippers", "cong tuan viet slippers", "cong toan viet slippers", "cong trien viet slippers", "cong gian viet slippers", "cong san viet slippers", "cong tran viet slippery", "cong tran viet grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 java java snippets") or ("cong tran viet slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("cong tran viet slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( cong tran viet slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("cong tran viet slippers"))) or ("locating bug code snippets"))*.