Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan thuc » nhan luc, dan thuc, toan thuc
van thanh » ban thanh, van tuan
nha thuoc » nha nuoc, nha hoc
thanh vi » hanh vi, thanh va, thanh ve
hieu va » lieu va, hieu qua
vu sach » vu bach, su sach, vu khach
y nang » ky nang, ly nang, v nang
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.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang x hoi. hieu va ((nam thu) or (((nha thuoc) or (nhan thuc)))) van thanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang x hoi. hieu va ((nam thu) OR (((nha thuoc) OR (nhan thuc)))) van thanh vi cua triet.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang x hoi. hieu va ((nam thu) or (((nha thuoc) or (nhan thuc)))) van thanh vi cua triet*.