Perhaps you should try some spelling variations:
nam thuoc » nam thu, nha thuoc, cay thuoc
thanh ha » thanh hoa, thanh hai, nhanh ha
va thanh » gia thanh, ban thanh, va tinh
nam thuc » am thuc, nam thu, nam tu
cua tre » cua te, cuu tre, cua triet
cao hoi » cau hoi, co hoi, tao hoi
cao hoc » co hoc, cho hoc, chat hoc
hieu ve » hieu va, hieu van
ha cua » hoa cua, hai cua, nha cua
tu cai » tu cac, tu can, tu bai
cai ky » cao ky, cac ky, cam ky

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 cai ky nang ((cao hoi) OR (cao hoc)). hieu ve ((nam thuc) OR (nam thuoc)) va thanh ha cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu cai ky nang ((cao hoi) or (cao hoc)). hieu ve ((nam thuc) or (nam thuoc)) va thanh ha cua tre*.