Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan nhung » quan nhung, tuan hung, thuat nhung
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
cong san » cong tac
than cau » toan cau, phan cau, than cap
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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 - thanh trung tuan nhung cong san ((((than cau) or (toan ban))) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh trung tuan nhung cong san ((((than cau) OR (toan ban))) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh trung tuan nhung cong san ((((than cau) or (toan ban))) or (phan tu))*.