Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
canh doanh » hanh doanh, chinh doanh, kinh doanh
nhung cong » dung cong, thong cong, nhung don
chau tinh » cuu tinh, ha tinh, cua tinh
hang cong » dang cong, hang nong, bang cong
trinh hoa » trinh do, trinh han
ho chau » ha chau, ho chu, o chau
hoa tap » khoa tap, hoc tap, hoa tan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - ((canh doanh) OR (doanh doanh)) cua ((nhung cong) OR (hang cong)) trinh hoa tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - ((canh doanh) or (doanh doanh)) cua ((nhung cong) OR (hang cong)) trinh hoa tap~".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - ((canh doanh) or (doanh doanh)) cua ((nhung cong) OR (hang cong)) trinh hoa tap*.