Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
cua triet » cua viet, su triet, va triet
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
truc van » truc va, thuc van, truc ban
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
so sach » so sanh, bo sach, co sach
nang xa » nang x, lang xa, nang ma
vi cua » vai cua, di 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: ((vu sach) OR (so sach)) ky nang xa hoi. hieu van cham truc van hanh vi cua triet~.
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (so sach)) ky nang xa hoi. hieu van cham truc van hanh vi cua triet*.