Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien chinh » tien thinh, thien chien, thi chinh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
dien anh » tieng anh, dien dan
cong ban » cong bang, cong tan, cong dan
cong san » cong tac
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien chinh) or (dien anh)) - thanh trung cua thong ((cong ban) or (cong san)) nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien chinh) OR (dien anh)) - thanh trung cua thong ((cong ban) OR (cong san)) nhan va.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien chinh) or (dien anh)) - thanh trung cua thong ((cong ban) or (cong san)) nhan va*.