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