Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh do » thanh de, thanh pho, thanh hoa
cua tre » cua te, cuu tre, cua triet
va cham » va chat, va tham
nang ma » tang ma, nang cao, mang may
sang ma » tang ma, sang tao, mang may
xuc van » duc van, luc van, xuc ban
do cua » doi cua, co cua, de cua
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ve cam » ve cham, ve cac, va cam

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 ((nang ma) OR (sang ma)) hoi. hieu ((ve cam) OR (va cham)) xuc van thanh do cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sac ky ((nang ma) OR (sang ma)) hoi. hieu ((ve cam) or (va cham)) xuc van thanh do cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sac ky ((nang ma) OR (sang ma)) hoi. hieu ((ve cam) or (va cham)) xuc van thanh do cua tre*.