Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung dang mat slippers" » "dung dan mat slippers", "dung dong mat slippers", "dung danh mat slippers", "dung dang vat slippers", "dung dang mau slippers", "dung dung mat slippers", "dung dang mat slippery", "dung dang mat 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 dang mat 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 dang mat slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung dang mat slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung dang mat slippers"))) or ("locating bug code snippets"))*.