Perhaps you should try some spelling variations:
cham sac » pham sach, cap sac, cham mat
cau theo » cau thi, cau tao
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
anh vi » hanh vi, anh va, anh ve

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 y nang xa hoi. lieu va ((cham sac) OR (cham soc)) van anh vi ((cau theo) OR (cua tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. lieu va ((cham sac) OR (cham soc)) van anh vi ((cau theo) or (cua tre))~".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. lieu va ((cham sac) OR (cham soc)) van anh vi ((cau theo) or (cua tre))*.