Perhaps you should try some spelling variations:
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, cong dong
toan cau » toan cao, toan ban, toan tap
va dang » van dang, va nang, va lang
han va » hang va, hanh va, nhan va

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 han va dang ((cong dan) or (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - hanh han va dang ((cong dan) OR (huong dan)) toan cau*.