Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van cham » van chat, van tham, va cham
hieu van » hieu va, thien van, lieu va
cua viet » hoa viet, cua vat, cua dieu
thanh va » thanh van, hanh va, thanh ha
soc van » hoc van, oc van, sac van
tu sach » thu sach, su sach, te sach
ca viet » va viet, co viet, hoa viet
vu khac » vu kham, vu khanh, bui khac
y nang » ky nang, ly nang, v nang
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: ((tu sach) OR (vu khac)) y nang x hoi. hieu van cham soc van thanh va ((cua viet) OR (ca viet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (vu khac)) y nang x hoi. hieu van cham soc van thanh va ((cua viet) OR (ca viet))~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (vu khac)) y nang x hoi. hieu van cham soc van thanh va ((cua viet) OR (ca viet))*.