Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham xuc » cam xuc, chat xuc, cham soc
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, dia danh
so sach » so sanh, bo sach, co sach
nang ma » tang ma, sang ma, nang cao
va hanh » van hanh, va thanh, ban hanh
ma hoi » mai hoi, xa hoi, ma hoa
vi su » va su, ve su, oi su
ki su » ky su

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