Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
san chan » san chang, dan chan, san chay
chan cau » phan cau, can cau, chinh cau

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 ((tung cua) or (dung cho)) thong cong san chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((tung cua) OR (dung cho)) thong cong san chan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh ((tung cua) or (dung cho)) thong cong san chan cau*.