Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, hanh trinh, minh trang
thanh tung » thanh cong
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran cau » tran chau, toan cau, ran cau

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 - ((((hanh trang) OR (canh tranh))) or (thanh tung)) cua dang cong tac tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((((hanh trang) OR (canh tranh))) OR (thanh tung)) cua dang cong tac tran cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - ((((hanh trang) OR (canh tranh))) or (thanh tung)) cua dang cong tac tran cau*".