Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung con van slippers" » "dung cong van slippers", "dung von van slippers", "dung co van slippers", "dung chon van slippers", "dung can van slippers", "dung con van slippery", "dung con van 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 con van 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 con van slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung con van slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung con van slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.