Perhaps you should try some spelling variations:
doanh dan » doanh ban, doanh van, doanh dao
van doanh » toan doanh, van dong, van thanh
cua triet » cua viet, su triet, va triet
dang xay » dang van, van xay
hieu van » thien van, lieu va, hieu ve
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
tuc van » thuc van, truc van, tuc va
dan cua » dan ca, ban cua, dai cua

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: tu cac ky dang xay hoi. ((hieu van) OR (hieu va)) cac tuc van doanh dan cua triet~.
• Adding a wildcard symbol may retrieve word variants: tu cac ky dang xay hoi. ((hieu van) or (hieu va)) cac tuc van doanh dan cua triet*.