Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tay danh slippers" » "dung tai danh slippers", "dung may danh slippers", "vung tay danh slippers", "dung tac danh slippers", "dung day danh slippers", "dung tao danh slippers", "dung tay danh slippery", "dung tay danh 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 tay danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung tay danh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tay danh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tay danh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.