Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
cong vang » cong lang, cong quang, cong ngang
cua hang » cua dang, cua nhung, cua cong
than cao » thai cao, than cap, than sao
toan cao » toan ban, toan tap

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: ((hoc thieu) OR (hoc hien)) xanh - canh doanh cua hang cong vang ((than cao) OR (toan cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) OR (hoc hien)) xanh - canh doanh cua hang cong vang ((than cao) or (toan cao))~".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) OR (hoc hien)) xanh - canh doanh cua hang cong vang ((than cao) or (toan cao))*.