Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cua khai slippers" » "dung luan khai slippers", "dung cho khai slippers", "dung qua khai slippers", "dung cua hai slippers", "dung cua khoi slippers", "dung cua khai slippery", "dung cua khai 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 cua khai 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 cua khai slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung cua khai slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung cua khai slippers"))) or ("locating bug code snippets"))*.