Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
cua tre » cua te, cuu tre, cua triet
te sai » te tai, te bai, te lai
sai ky » sac ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky nang x ho. hieu ((ve cam) OR (va cam)) tuc ((va hanh) OR (va thanh)) vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky nang x ho. hieu ((ve cam) or (va cam)) tuc ((va hanh) OR (va thanh)) vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sai ky nang x ho. hieu ((ve cam) or (va cam)) tuc ((va hanh) OR (va thanh)) vi cua tre*.