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