Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
van hoe » van hoa, van hoc, van hieu
van hoi » van hoa, van hoc, van loi
ky tang » ky nang, ky dang, kho tang
sai ky » sac ky
de cua » le cua, te cua, dieu cua
vu sai » vu hai, vu san, vu dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sai ky tang ((van hoi) OR (van hoe)). hieu ve cham xuc ((va danh) or (va hanh)) de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sai ky tang ((van hoi) OR (van hoe)). hieu ve cham xuc ((va danh) OR (va hanh)) de cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sai ky tang ((van hoi) OR (van hoe)). hieu ve cham xuc ((va danh) or (va hanh)) de cua tre".
• Adding a wildcard symbol may retrieve word variants: vu sai ky tang ((van hoi) OR (van hoe)). hieu ve cham xuc ((va danh) or (va hanh)) de cua tre*.