Perhaps you should try some spelling variations:
thuong dong » phuong dong, tuong dong, chuong dong
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong quan, truong cao, huong cua
truong ca » truong cao, truong va, trong ca
thanh cha » thanh ha, thanh nha, thanh phan
nhanh cay » nhanh ha, nhanh bac, nhanh va
dong tac » cong tac, dong tai, dong bac

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 chieu xanh - thanh ((truong cua) OR (truong ca)) thuong dong tac ((thanh cha) OR (nhanh cay))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - thanh ((truong cua) OR (truong ca)) thuong dong tac ((thanh cha) or (nhanh cay))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - thanh ((truong cua) OR (truong ca)) thuong dong tac ((thanh cha) or (nhanh cay))*.