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