Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, mot chieu
ca thuong » cao thuong, cua thuong, va thuong
cong danh » cuong danh, cong thanh, cong khanh
lang dan » lang van, tang dan, dang dan
cong dan » cong san, cong tan, huong dan
nhanh tu » hanh tu, nhan su, anh 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 sang - lang dan ca thuong ((cong danh) or (cong dan)) nhanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - lang dan ca thuong ((cong danh) OR (cong dan)) nhanh tu*.