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