Perhaps you should try some spelling variations:
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ky mang » ky nang, ke mang, ky dang
may hoi » may thoi, tay hoi, mai hoi
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cao, va cai
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: tu sai ky mang may hoi. hieu ((ve cam) OR (((va cam) OR (va cac)))) duc va thanh vi cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky mang may hoi. hieu ((ve cam) or (((va cam) OR (va cac)))) duc va thanh vi cua vat~".
• Adding a wildcard symbol may retrieve word variants: tu sai ky mang may hoi. hieu ((ve cam) or (((va cam) OR (va cac)))) duc va thanh vi cua vat*.