Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, dia danh
so viet » hoc viet
va hanh » van hanh, va thanh, ban hanh
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
nang xa » nang x, lang xa, nang ma

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

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