Perhaps you should try some spelling variations:
nhung cuong » nhung cong, hung cuong, nhung chong
trung tuan » trung thanh, trung tam, tran tuan
cuong dung » tuong duong, ung dung, thong dung
thanh phan » thanh pho, thanh san, thanh toan
trung cua » truong cua, trung cap, dung cua
thanh van » thanh san, thanh toan, thanh nhan
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu qua - hanh ((trung cua) or (trung tuan)) nhung cuong dung ((thanh van) or (thanh phan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu qua - hanh ((trung cua) OR (trung tuan)) nhung cuong dung ((thanh van) OR (thanh phan)).
• Adding a wildcard symbol may retrieve word variants: doc hieu qua - hanh ((trung cua) or (trung tuan)) nhung cuong dung ((thanh van) or (thanh phan))*.