Perhaps you should try some spelling variations:
tai thuong » tai phuong, tai truong, thi thuong
canh doanh » hanh doanh, chinh doanh, doanh doanh
tai nhung » thai nhung, thi nhung, tai hung
chi xanh » chi anh, chi danh, chi hanh
ai nhung » vai nhung, a nhung, thai nhung
dai phan » dai han, dam phan, tai phan
doi chi » doi khi

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: doi chi xanh - canh doanh ((((tai nhung) OR (ai nhung))) OR (tai thuong)) truong dai phan tu~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh doanh ((((tai nhung) or (ai nhung))) or (tai thuong)) truong dai phan tu*.