Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cua » truong quan, truong cao, huong cua
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
truong ca » truong cao, truong va, trong ca
cong tan » cong tac, cong san, cong thanh
phan dau » phan tu, hang dau
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((truong cua) OR (truong ca)) nhung cong tan ((phan dau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - thanh ((truong cua) OR (truong ca)) nhung cong tan ((phan dau) or (toan cau))~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((truong cua) OR (truong ca)) nhung cong tan ((phan dau) or (toan cau))*.