Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
nang xa » lang xa, nang ma, mang xa
thai va » thai van
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh
tai va » mai va, tri va, dai va
thiet » thieu

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 ky ((nang xa) OR (nang x)) hoi. hieu ve cham xuc va han ((tai va) OR (thai va)) thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang xa) or (nang x)) hoi. hieu ve cham xuc va han ((tai va) OR (thai va)) thiet~".
• Adding a wildcard symbol may retrieve word variants: su sach ky ((nang xa) or (nang x)) hoi. hieu ve cham xuc va han ((tai va) OR (thai va)) thiet*.