Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu khang » chieu khong, thieu quang
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
trung thi » truong thi, trong thi, trung tri
thi nhung » thi nang, thi hong, thi huong
van thanh » ban thanh, van tuan
van tan » van tuan, van ban, van tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu khang) or (chieu sang)) - thanh trung thi nhung cong ((van tan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu khang) OR (chieu sang)) - thanh trung thi nhung cong ((van tan) OR (van thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu khang) or (chieu sang)) - thanh trung thi nhung cong ((van tan) or (van thanh)) cau*.