Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
tieu sach » chieu sach, dien sach, te sach
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong dan » huong dan, cong dong, cong tac
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: theo tieu sach - manh trung cua nhung ((cong dan) or (((cong tan) or (cong san)))) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - manh trung cua nhung ((cong dan) OR (((cong tan) OR (cong san)))) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - manh trung cua nhung ((cong dan) or (((cong tan) or (cong san)))) toan cau*.