Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sang tao » hang tai
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
cho tre » cho thue, khoe tre
hanh va » hang va, hanh vi
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ky sang » ky nang, ky dang, ky tang
cam tuc » cam xuc, cam tu, nam thuc
tuc va » thuc va, truc va, tuc xa
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 sach ky sang tao hoi. hieu ve cam tuc va hanh va ((cho tre) OR (((cua tre) OR (cua triet))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky sang tao hoi. hieu ve cam tuc va hanh va ((cho tre) or (((cua tre) OR (cua triet))))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky sang tao hoi. hieu ve cam tuc va hanh va ((cho tre) or (((cua tre) OR (cua triet))))*.