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
dung cong » dung trong
ban nhung » san nhung, ban phuong, gian nhung
nhung cau » chung cu, nhung bai, nhu cau
cua dung » cua dang, cua dong, qua dung
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: ho ((((chieu sach) or (chieu xanh))) or (chiet tach)) - hanh tranh cua dung cong ban nhung cau~.
• 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 dung cong ban nhung cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sach) or (chieu xanh))) or (chiet tach)) - hanh tranh cua dung cong ban nhung cau*.