Perhaps you should try some spelling variations:
doanh thanh » danh thanh, doanh nhan, dinh thanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
dung luong » dung thuong, dung phuong, dung truong
chau tinh » cuu tinh, ha tinh, cua tinh
doi chau » doi chieu, gioi chau, hoi chu
cua dung » cua dang, cua dong, qua dung
luong va » dung va
toan ban » van ban
va toan » van toan, bai toan, tap toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chau tinh - ((canh doanh) or (doanh thanh)) cua dung luong va toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chau tinh - ((canh doanh) OR (doanh thanh)) cua dung luong va toan ban*.