Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
hong bang » dong bang, hang ban, hong hanh
thanh cau » thanh chau, thanh mau, nhanh cau
doc hieu » toc thieu, hoc thieu, hoc hien
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doc hieu)) xanh - thanh trung cua nhung ((cong ban) or (hong bang)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doc hieu)) xanh - thanh trung cua nhung ((cong ban) OR (hong bang)) thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doc hieu)) xanh - thanh trung cua nhung ((cong ban) or (hong bang)) thanh cau*.