Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
choi thuc » hoc thuc, hoi chuc, cho thue
thuc nang » chuc nang, thuc trang, thich nang
tang luan » dung luan
tang cua » mang cua, hang cua, thong cua
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: choi thuc nang - hanh ((tang cua) or (tang luan)) nhung cong ((dan toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: choi thuc nang - hanh ((tang cua) OR (tang luan)) nhung cong ((dan toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: choi thuc nang - hanh ((tang cua) or (tang luan)) nhung cong ((dan toan) or (dan than)) cau*.