Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung cua phu slippers" » "dung luan phu slippers", "dung cho phu slippers", "dung cua chu slippers", "dung cua khu slippers", "dung cua phi slippers", "dung cua phu slippery", "dung cua phu 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 cua phu 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 cua phu slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung cua phu slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung cua phu slippers"))) or ("locating bug code snippets"))*.