Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung lap vat slippers" » "dung lam vat slippers", "dung lai vat slippers", "dung lao vat slippers", "dung lap va slippers", "dung tap vat slippers", "dung lap dat slippers", "dung lap vat slippery", "dung lap vat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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 ("dung lap 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 ("dung lap vat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung lap vat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung lap vat slippers"))) or ("locating bug code snippets"))*.