Perhaps you should try some spelling variations:
cham hoc » cham soc, chat hoc, cham hoi
te sach » toc sach
ly nang » ky nang, ly hang, ly vang
va cham » va chat, va tham
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, v nang, may nang
vi cua » vai cua, di cua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y nang) OR (ly nang)) ma hoa. lieu va cham hoc va danh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y nang) OR (ly nang)) ma hoa. lieu va cham hoc va danh vi cua tre*.