Perhaps you should try some spelling variations:
khuong tinh » chuong trinh, phuong trinh, phuong binh
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
khuong anh » phuong anh, hong anh, hung anh
canh manh » lanh manh, canh tranh, cach mang
manh cua » doanh cua, ban cua
cua tong » cua cong, cua dong, cua nong
tuan cau » quan cau, tuan cu, thuan cam
toan cau » toan cao, toan ban, toan tap

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 tinh - canh manh cua tong ((khuong anh) OR (khuong tinh)) ((tuan cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - canh manh cua tong ((khuong anh) OR (khuong tinh)) ((tuan cau) or (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - canh manh cua tong ((khuong anh) OR (khuong tinh)) ((tuan cau) or (toan cau))*.