Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
canh doanh » chinh doanh, doanh doanh, kinh doanh
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) OR (doi khi)) xanh - ((canh doanh) or (hanh doanh)) luan hang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (doi khi)) xanh - ((canh doanh) OR (hanh doanh)) luan hang cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chi) OR (doi khi)) xanh - ((canh doanh) or (hanh doanh)) luan hang cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: ((doi chi) OR (doi khi)) xanh - ((canh doanh) or (hanh doanh)) luan hang cong dan than cau*.