Perhaps you should try some spelling variations:
tao khoi » thao khoa, lao khoa, tao boi
cua tre » cua te, cuu tre, cua triet
ky sang » ky nang, ky dang, ky tang
tao hoi » tao boi, tay hoi, thao hoc
dinh di » dinh du, dinh vi, danh di
hieu ve » hieu va, hieu van
tuc va » thuc va, truc va, tuc xa
di cua » dai cua, doi cua, de cua
vu sac » vu sach, vu san, va sac
xac va » tac va, ac va, bac va
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: vu sac ky sang ((tao hoi) OR (tao khoi)). hieu ve cam ((xac va) OR (tuc va)) dinh di cua tre~.
• Adding a wildcard symbol may retrieve word variants: vu sac ky sang ((tao hoi) or (tao khoi)). hieu ve cam ((xac va) or (tuc va)) dinh di cua tre*.