Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
su viet » so viet
so sac » so sach, so dac
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sac ky nang ma hoi. hieu va cham xuc ((va hanh) or (va dinh)) va su viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky nang ma hoi. hieu va cham xuc ((va hanh) OR (va dinh)) va su viet.
• Adding a wildcard symbol may retrieve word variants: so sac ky nang ma hoi. hieu va cham xuc ((va hanh) or (va dinh)) va su viet*.