Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien minh » tien minh, trien minh, thien tinh
hiep dinh » kiem dinh, hinh dinh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hiep dinh) or (thien minh)) - thanh trung cua nhung ((cong dan) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hiep dinh) OR (thien minh)) - thanh trung cua nhung ((cong dan) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hiep dinh) or (thien minh)) - thanh trung cua nhung ((cong dan) or (cong san)) toan cau*.