Perhaps you should try some spelling variations:
thanh trung » thanh tung
dong thanh » truong thanh
hieu lang » chieu sang, hieu quang, nhieu tang
cong tuan » cong tan, cong luan, cong thanh
tuan hung » tran hung, luan hung, tuan dung
hung dong » huong dong, vung dong, dung dong
trung cap » truong cao, trung tam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chinh sach)) - thanh cong tuan hung dong thanh trung cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chinh sach)) - thanh cong tuan hung dong thanh trung cap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chinh sach)) - thanh cong tuan hung dong thanh trung cap*.