Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
trung cua » truong cua, trung tuan, trung cap
dang cong » dung cong
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu xanh - thanh ((trung cua) or (trung thanh)) dang cong ban ((thanh cau) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh ((trung cua) OR (trung thanh)) dang cong ban ((thanh cau) OR (thanh san)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung cua) or (trung thanh)) dang cong ban ((thanh cau) or (thanh san))*.