Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, hang cong
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, thanh chau
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) OR (theo tieu)) xanh - thanh trung cua nhung cong dan ((than cau) OR (than cap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doc hieu) OR (theo tieu)) xanh - thanh trung cua nhung cong dan ((than cau) OR (than cap))".
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) OR (theo tieu)) xanh - thanh trung cua nhung cong dan ((than cau) OR (than cap))*.