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