Perhaps you should try some spelling variations:
thanh trung » thanh tung
tuong cong » truong cong, trong cong, tong cong
mot chieu » doi chieu, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua tuong » cua truong, cua thuong, cua huong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc hien) or (mot chieu)) sang - thanh trung cua tuong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (mot chieu)) sang - thanh trung cua tuong cong san toan ban*.