Perhaps you should try some spelling variations:
trung thanh » truong thanh
chiet tach » chieu sach
trung tuan » trung tam, tran tuan, truong thanh
phung cong » nhung cong, phong cong, nhung chong
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong tac, cong san, cong thanh
tran van » luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh ((trung tuan) or (trung thanh)) phung cong tan tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh ((trung tuan) OR (trung thanh)) phung cong tan tran van.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh ((trung tuan) or (trung thanh)) phung cong tan tran van*.