Perhaps you should try some spelling variations:
"dung trinh vat slippers" » "dung tinh vat slippers", "dong trinh vat slippers", "cong trinh vat slippers", "dung trinh van slippers", "dung trinh luat slippers", "dung sinh vat slippers", "dung trinh vat slippery", "dung trinh vat 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 trinh vat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung trinh vat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung trinh vat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trinh vat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.