Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
duong cong » dung cong, luong cong, duong trong
cong thanh » dong thanh, cong trinh, cong tan
hoc chinh » hoan chinh, hoc sinh, hoc kinh
tranh va » tranh van, trang va, trinh va
va duong » van duong, va tuong, va huong
tran huu » tran duc
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh tranh va duong cong thanh ((tran huu) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh tranh va duong cong thanh ((tran huu) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh tranh va duong cong thanh ((tran huu) or (toan cau))*.