Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung mat lam slippers" » "duong mat lam slippers", "dung dat lam slippers", "dung may lam slippers", "dung mat la slippers", "dung mat lai slippers", "dung mat lam slippery", "dung mat lam 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 mat lam 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 mat lam slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung mat lam slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mat lam slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.