Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thien anh » thien danh, tien anh, thien thanh
khach san » khach hang, thanh san
dong cong » duong cong, dung cong, dang cong
hang ban » hang luan, hang va, hang tai
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien anh) or (chieu sach)) - ((hang ban) or (khach san)) cua dong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien anh) OR (chieu sach)) - ((hang ban) OR (khach san)) cua dong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien anh) or (chieu sach)) - ((hang ban) or (khach san)) cua dong cong dan toan cau*.