Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
thanh vai » thanh van, thanh tai, thanh oai
cua tre » cua te, cuu tre, cua triet
dua ban » dia ban, cua ban, qua ban
cam dua » ca dua, cay dua, chay dua
thi van » thi lan, thi hanh, thi nang
tang ma » mang may, tang van
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
tu sac » tu sach, tu cac, tu san

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 sac ky tang ma hoa. ((thien van) OR (thi van)) cam dua ban ((thanh vai) OR (thanh hai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky tang ma hoa. ((thien van) or (thi van)) cam dua ban ((thanh vai) OR (thanh hai)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ma hoa. ((thien van) or (thi van)) cam dua ban ((thanh vai) OR (thanh hai)) cua tre*.