Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dung co nhap slippers" » "dung cho nhap slippers", "dung cong nhap slippers", "dung cua nhap slippers", "dung go nhap slippers", "dung hoi nhap slippers", "dung cho nhan slippers", "dung co nhap slippery", "dung co nhap 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 co nhap 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 co nhap slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung co nhap slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung co nhap slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.