Perhaps you should try some spelling variations:
chuong dong » chuong duong, phuong dong, huong dong
hanh trinh » canh tranh, hanh chinh
cua chuong » cua chung, cua phuong, cua huong
thep tieu » thep thiet, thep viet, he tieu
trinh cua » tinh cua, trinh luat, trinh quan
dong hoc » dong co, dong luc
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thep tieu) OR (theo tieu)) tinh - hanh trinh cua chuong dong hoc ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thep tieu) OR (theo tieu)) tinh - hanh trinh cua chuong dong hoc ((toan cao) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thep tieu) OR (theo tieu)) tinh - hanh trinh cua chuong dong hoc ((toan cao) or (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ((thep tieu) OR (theo tieu)) tinh - hanh trinh cua chuong dong hoc ((toan cao) or (toan tap))*.