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