Perhaps you should try some spelling variations:
"hung trinh viet slippers" » "hung ninh viet slippers", "hung trinh vat slippers", "hung thinh viet slippers", "hung tinh viet slippers", "chuong trinh viet slippers", "hung trinh viet slippery", "hung trinh viet grippers"
"dung java java snippets" » "dung va java snippets"
"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 ("hung trinh 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 ("hung trinh viet slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hung trinh viet slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hung trinh viet slippers"))) or ("locating bug code snippets"))*.