Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chinh » hoan chinh, hoc sinh, hoc kinh
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
van dung » van dong, xay dung, tin dung
tran huu » tran duc
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.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chinh sach - hanh tranh van dung cong thanh ((tran huu) or (((toan cau) OR (toan cao))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chinh sach - hanh tranh van dung cong thanh ((tran huu) OR (((toan cau) OR (toan cao)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chinh sach - hanh tranh van dung cong thanh ((tran huu) or (((toan cau) OR (toan cao))))".
• Adding a wildcard symbol may retrieve word variants: hoc chinh sach - hanh tranh van dung cong thanh ((tran huu) or (((toan cau) OR (toan cao))))*.