Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
tieu xanh » tieu danh, chieu xanh, dieu hanh
trung cua » truong cua, trung cap, dung cua
cong bang » cuong bang, dong bang, hong bang
cong ban » cong san, cong tan, cong dan
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - thanh ((trung cua) or (trung tuan)) nhung ((cong ban) OR (cong bang)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh ((trung cua) OR (trung tuan)) nhung ((cong ban) OR (cong bang)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh ((trung cua) or (trung tuan)) nhung ((cong ban) OR (cong bang)) than cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh ((trung cua) or (trung tuan)) nhung ((cong ban) OR (cong bang)) than cau*.