Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
cach thuc » anh thuc
hieu van » hieu va, thien van, lieu va
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
sach xu » sach xa, cach xu, mach xu
xu dang » su dang, vu dang, xo dang
cac thu » cac thoi
dang x » dang y, nang x, dang _
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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: su sach xu dang x hoi. hieu van ((cach thuc) OR (cac thu)) van hanh vi cua triet~.
• Adding a wildcard symbol may retrieve word variants: su sach xu dang x hoi. hieu van ((cach thuc) or (cac thu)) van hanh vi cua triet*.