Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cac tra slippers" » "luong cac tra slippers", "dung cho tra slippers", "dung tai tra slippers", "dung cac tro slippers", "dung ca tra slippers", "dung cac tru slippers", "dung cac tra slippery", "dung cac tra 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 cac tra 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 cac tra slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung cac tra slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung cac tra slippers"))) or ("locating bug code snippets"))*.