Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dang cong » dung cong
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cua dang » cua cong, cua ban
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu sach - hanh tranh cua dang cong ban ((nang cao) or (nhung bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh tranh cua dang cong ban ((nang cao) OR (nhung bai)).
• Adding a wildcard symbol may retrieve word variants: theo chu sach - hanh tranh cua dang cong ban ((nang cao) or (nhung bai))*.