Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung cac » truong cac, trung cap, trong cac
thanh cau » thanh chau, thanh mau, nhanh cau
cac dang » cao dang, cac dan, cac cong
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - thanh trung cac dang ((cong ban) or (cong san)) thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh trung cac dang ((cong ban) OR (cong san)) thanh cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh trung cac dang ((cong ban) or (cong san)) thanh cau*.