Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
doanh van » doan van, doanh va, doanh ban
van doanh » toan doanh, van dong, van thanh
hieu van » thien van, lieu va, hieu ve
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
cac tuc » cac toc, cac tu, cac tac
tuc van » thuc van, truc van, tuc va
te sach » toc sach
van cua » vang cua, ban cua, dan cua
te sac » te cac, te san

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: ((te sac) OR (te sach)) ky lang xa hoi. ((hieu van) OR (hieu va)) cac tuc van doanh van cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sac) OR (te sach)) ky lang xa hoi. ((hieu van) or (hieu va)) cac tuc van doanh van cua triet~".
• Adding a wildcard symbol may retrieve word variants: ((te sac) OR (te sach)) ky lang xa hoi. ((hieu van) or (hieu va)) cac tuc van doanh van cua triet*.