Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
chieu sang » chieu sach, chieu xanh, hieu lang
dung dong » dung cong, vung dong, cong dong
ho chieu » theo chieu, hoc thieu, doi chieu
mang cua » manh cua, dung cua, ban cua
thanh tu » hanh tu, nhanh tu, thanh tung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - cach mang cua ((dung dong) or (dung trong)) doanh thanh tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - cach mang cua ((dung dong) OR (dung trong)) doanh thanh tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - cach mang cua ((dung dong) or (dung trong)) doanh thanh tu*.