Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
mao triet » tao thiet, va triet, bo triet
luan han » luan hoan, luan phan, luan van
han cong » phan cong, hang cong, hanh cong
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hanh
ban hang » ngan hang

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: mao triet tinh - canh doanh luan han cong ((dan than) OR (((ban than) OR (ban hang)))) cau~.
• Adding a wildcard symbol may retrieve word variants: mao triet tinh - canh doanh luan han cong ((dan than) or (((ban than) or (ban hang)))) cau*.