Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
thanh chau » thanh cha, thanh cham, thanh chu
thanh phan » thanh pho, thanh san, thanh toan
trung cap » truong cao, trung tam
cong cong » cong dong, trong cong, dung cong
cap cong » cac cong, cao cong, tap cong
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sang - thanh trung cap cong cong dan ((thanh chau) or (thanh phan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - thanh trung cap cong cong dan ((thanh chau) OR (thanh phan)).
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - thanh trung cap cong cong dan ((thanh chau) or (thanh phan))*.