Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trung qua » trung quan, trong qua, truong quan
trung cua » truong cua, trung tuan, trung cap
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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 - thanh ((trung qua) OR (trung cua)) trong cong tan tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh ((trung qua) OR (trung cua)) trong cong tan tran cau".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh ((trung qua) OR (trung cua)) trong cong tan tran cau*.