Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
cua sinh » hoa sinh, va sinh
cong dan » cong san, cong tan, huong dan
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: ho ((chau tinh) OR (cua sinh)) - hanh tranh luan nhung cong dan ((toan tap) OR (toan ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chau tinh) or (cua sinh)) - hanh tranh luan nhung cong dan ((toan tap) OR (toan ban))~".
• Adding a wildcard symbol may retrieve word variants: ho ((chau tinh) or (cua sinh)) - hanh tranh luan nhung cong dan ((toan tap) OR (toan ban))*.