Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu
luan danh » luan thanh, luan van, luan nang
danh cong » dang cong, hanh cong, anh cong
cong dan » cong san, cong tan, huong dan
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

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: ((hoc thieu) OR (hoc hien)) tinh - hanh tranh luan danh cong dan ((toan cau) OR (toan ban))~.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) tinh - hanh tranh luan danh cong dan ((toan cau) or (toan ban))*.