Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung tu duoc slippers" » "dung thu duoc slippers", "dung tru duoc slippers", "dung cu duoc slippers", "dung te duoc slippers", "dung ty duoc slippers", "dung ta duoc slippers", "dung tu duoc slippery", "dung tu 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 tu 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 tu duoc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tu duoc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tu duoc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.