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