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
huong cua » dung cua
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
tung cua » trung cua, tuong cua, dung cua
than cau » toan cau, phan cau, than cap

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 (huong cua)) thong cong bang than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh ((tung cua) OR (huong cua)) thong cong bang than cau*.