Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
tran tuan » tran xuan, tran quang, tran thanh
tong cong » trong cong, cong cong, dung cong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac
khan ap » khan cap, han ap, khan dam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung tuan) OR (tran tuan)) tong cong tan ((than cap) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung tuan) OR (tran tuan)) tong cong tan ((than cap) OR (khan ap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trung tuan) OR (tran tuan)) tong cong tan ((than cap) or (khan ap))*".