Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang ma, mang xa, ang xa
lang xa » lang ha, dang xay, lang van
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xuc van » duc van, luc van, xuc ban
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu vu cham xuc van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((((nang xa) OR (nang x))) OR (lang xa)) hoi. hieu vu cham xuc van hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu vu cham xuc van hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((((nang xa) OR (nang x))) or (lang xa)) hoi. hieu vu cham xuc van hanh vi cua tre*.