Perhaps you should try some spelling variations:
hoc viet » hoc hien
cham xuc » cam xuc, cham soc, pham duc
chat xuc » chat huu, cam xuc, chao xu
va hanh » van hanh, va thanh, va danh
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va dinh » van dinh, va kinh, va tinh
va hoc » van hoc
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) or (chat xuc)) ((va hanh) or (va dinh)) va hoc viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky nang ma hoi. hieu va ((cham xuc) OR (chat xuc)) ((va hanh) OR (va dinh)) va hoc viet.
• Adding a wildcard symbol may retrieve word variants: so sac ky nang ma hoi. hieu va ((cham xuc) or (chat xuc)) ((va hanh) or (va dinh)) va hoc viet*.