Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dan dat trong slippers" » "dan dot trong slippers", "dan vat trong slippers", "dan cay trong slippers", "dung dat trong slippers", "dong dat trong slippers", "dinh dat trong slippers", "dan dat trong slippery", "dan dat trong 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 ("dan dat trong slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dan dat trong slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan dat trong slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan dat trong slippers"))) or ("locating bug code snippets"))*.