Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
tieu tinh » trieu tinh, lieu tinh, kieu tinh
hanh mang » nhanh mang, hanh trang, nhanh lang
tong cong » trong cong, cong cong, dung cong
mang cua » manh cua, dung cua, ban cua
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
toan cau » toan ban, toan tap, toan tai
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 ((tieu tinh) OR (tieu trinh)) - hanh mang cua tong cong tac ((toan cau) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((tieu tinh) or (tieu trinh)) - hanh mang cua tong cong tac ((toan cau) OR (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: theo ((tieu tinh) or (tieu trinh)) - hanh mang cua tong cong tac ((toan cau) OR (toan cao))*.