Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung doi ngoc slippers" » "huong doi ngoc slippers", "dung tai ngoc slippers", "dung co ngoc slippers", "dung do ngoc slippers", "dung doi ngoai slippers", "dung doi nguoi slippers", "dung doi ngoc slippery", "dung doi ngoc 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 doi ngoc 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 doi ngoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung doi ngoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung doi ngoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.