Perhaps you should try some spelling variations:
nhung khuong » nhung phuong, nhung huong, nhung chong
thanh trung » thanh tung
khuong tinh » chuong trinh, phuong trinh, phuong binh
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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: ((mot chieu) OR (theo chieu)) sang - thanh trung cua nhung khuong tinh ((toan cau) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) sang - thanh trung cua nhung khuong tinh ((toan cau) or (toan ban))*.