Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu quang » thieu quang, hieu quan, hieu qua
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
phan cang » phan cong, phan dang, phan cung
cang luan » tang luan, hang luan, cong luan
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
toan cau » toan cao, toan ban, toan tap

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) or (hieu quang)) - phan cang luan dong cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (hieu quang)) - phan cang luan dong cong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (hieu quang)) - phan cang luan dong cong thanh toan cau*.