Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trang » canh tranh, hanh trang, banh trang
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
cong than » cong thang, cong tan, cong thai
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
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 - canh trang va thong ((cong than) OR (cong thanh)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - canh trang va thong ((cong than) OR (cong thanh)) phan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh trang va thong ((cong than) OR (cong thanh)) phan cau*.