Perhaps you should try some spelling variations:
cam thuc » am thuc, nam thuc, cam thu
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
ky mang » ky nang, ke mang, ky dang
may hoi » may thoi, tay hoi, mai hoi
hieu ve » hieu va, hieu van
thuc va » thuc vat, thuc dan, thuc day
cua tre » cuu tre, cua triet, dua tren
ve cam » ve cham, ve cac, va cam
cua te » cua tu

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 cac ky mang may hoi. hieu ve cam thuc va thanh vi ((cua tre) OR (cua te))~.
• Adding a wildcard symbol may retrieve word variants: tu cac ky mang may hoi. hieu ve cam thuc va thanh vi ((cua tre) or (cua te))*.