Perhaps you should try some spelling variations:
truong quan » trong quan, thong quan, luong quan
chieu xanh » chieu sach, chieu sang, chieu tinh
trung quan » trong quan, trung tuan, truong quang
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh ((trung quan) OR (truong quan)) thong ((huong dan) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((trung quan) OR (truong quan)) thong ((huong dan) OR (cong tan)) phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((trung quan) OR (truong quan)) thong ((huong dan) or (cong tan)) phan cau*".