Perhaps you should try some spelling variations:
thanh trung » thanh tung
thien danh » thien anh, thien dang, thien thanh
trung tuan » trung thanh, trung tam, tran tuan
cong thanh » dong thanh, cong trinh, cong tan
thanh chau » thanh cha, thanh cham, thanh chu
tien manh » tien anh, tien thanh, tieng anh
tuan dang » tran dang, tuan bang, tuan dung
cong tuan » cong tan, cong luan, cong quang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((tien manh) or (thien danh)) - thanh trung tuan dang ((cong tuan) OR (cong thanh)) thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien manh) OR (thien danh)) - thanh trung tuan dang ((cong tuan) OR (cong thanh)) thanh chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien manh) or (thien danh)) - thanh trung tuan dang ((cong tuan) OR (cong thanh)) thanh chau".
• Adding a wildcard symbol may retrieve word variants: hoc ((tien manh) or (thien danh)) - thanh trung tuan dang ((cong tuan) OR (cong thanh)) thanh chau*.