Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
thanh cac » hanh cac, thanh bac, thanh ca
khi sach » khi sac, khoa sach, khau sach
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi sach - hanh tranh cua dong cong dan ((thanh cac) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi sach - hanh tranh cua dong cong dan ((thanh cac) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: doi khi sach - hanh tranh cua dong cong dan ((thanh cac) or (khan cap))*.