Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
triet tinh » trieu tinh, trien tinh, trien kinh
mon triet » minh triet, bo triet, mao triet
doanh cua » doanh luan
cong than » cong thanh, cong thang, cong thai
cong tan » cong tac, cong san, cong thanh
phan cac » nhan cach, phan dau, phan lap

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 - doanh doanh cua cong ((cong than) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: mon triet tinh - doanh doanh cua cong ((cong than) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: mon triet tinh - doanh doanh cua cong ((cong than) or (cong tan)) phan cac*.