Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
theo dieu » theo tieu, theo chieu, thuoc dieu
trung cua » truong cua, trung cap, dung cua
phong van » phung van, phong va, hong van
thong van » trong van, thong va, thong quan
thanh cau » thanh chau, thanh mau, nhanh cau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo dieu hanh - thanh ((trung cua) OR (trung tuan)) nhu ((phong van) OR (thong van)) thanh cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo dieu hanh - thanh ((trung cua) or (trung tuan)) nhu ((phong van) OR (thong van)) thanh cau~".
• Adding a wildcard symbol may retrieve word variants: theo dieu hanh - thanh ((trung cua) or (trung tuan)) nhu ((phong van) OR (thong van)) thanh cau*.