Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
chieu sang » chieu sach, chieu xanh, hieu lang
doanh than » doanh nhan, doanh phan, doanh tai
thuong con » thuong dong, truong cong, thuong chi
thong cong » trong cong, tong cong, thong thong
doi chieu » doc hieu, doi chi, ho chieu
dan phan » doan phan, dan chan, van phan
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 sang - ((doanh than) or (doanh thanh)) cua ((thuong con) OR (thong cong)) dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((doanh than) OR (doanh thanh)) cua ((thuong con) OR (thong cong)) dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - ((doanh than) or (doanh thanh)) cua ((thuong con) OR (thong cong)) dan phan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((doanh than) or (doanh thanh)) cua ((thuong con) OR (thong cong)) dan phan cau*.