Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quang » thieu quang, hieu quan, hieu qua
thanh tran » thanh trang, thanh toan, thanh tra
nhu phuong » thu phuong, nhung phuong, thi phuong
phuong dan » phuong danh, phuong doan, huong dan
thanh chau » thanh cha, thanh cham, thanh chu
tran tuan » tran xuan, tran quang, tran thanh
tuan nhu » tuan thu, tuan khuc, tuan anh
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu sang) or (hieu quang)) - thanh tran tuan nhu phuong dan ((thanh chau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu sang) OR (hieu quang)) - thanh tran tuan nhu phuong dan ((thanh chau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu sang) or (hieu quang)) - thanh tran tuan nhu phuong dan ((thanh chau) or (than cap))*.