Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
vai cac » va cac, tai cac, voi cac
van cau » van dau, van hau, van chat
sach ky » sac ky, sach y, sach ty
su sach » so sach, vu sach
va cham » va chat, va tham
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
va dinh » van dinh, va kinh, va tinh
va dan » ca dan, va dao, va dau

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 lang xa hoi. hieu va cham xuc ((va dinh) or (va dan)) ((van cau) or (vai cac)) tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky lang xa hoi. hieu va cham xuc ((va dinh) OR (va dan)) ((van cau) OR (vai cac)) tren.
• Adding a wildcard symbol may retrieve word variants: su sach ky lang xa hoi. hieu va cham xuc ((va dinh) or (va dan)) ((van cau) or (vai cac)) tren*.