Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, hieu cach
chieu xanh » chieu sang, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
cua dong » chua dong, cua cong, cua dang
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((chieu sach) or (chieu xanh))) or (chiet tach)) - hanh tranh cua dong cong tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sach) OR (chieu xanh))) OR (chiet tach)) - hanh tranh cua dong cong tan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chieu xanh))) or (chiet tach)) - hanh tranh cua dong cong tan phan dau*.