Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung my duoc slippers" » "dung may duoc slippers", "dung mo duoc slippers", "dung mot duoc slippers", "dung y duoc slippers", "dung ly duoc slippers", "dung ty duoc slippers", "dung my duoc slippery", "dung my duoc 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 my duoc 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 my duoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung my duoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung my duoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.