Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
theo chu » theo chieu, cho chu, chao chu
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
doi chi » doi khi

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: ((theo chu) OR (doi chi)) sach - hanh tranh cua bang cong dan toan ban~.
• Adding a wildcard symbol may retrieve word variants: ((theo chu) or (doi chi)) sach - hanh tranh cua bang cong dan toan ban*.