Perhaps you should try some spelling variations:
triet tinh » trieu tinh, trien tinh, trien kinh
doanh luan » doanh nhan
mon triet » minh triet, bo triet, mao triet
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: mon triet tinh - chinh ((doanh cua) or (doanh luan)) hang cong dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mon triet tinh - chinh ((doanh cua) OR (doanh luan)) hang cong dan phan dau.
• Adding a wildcard symbol may retrieve word variants: mon triet tinh - chinh ((doanh cua) or (doanh luan)) hang cong dan phan dau*.