Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
va thanh » gia thanh, ban thanh, va tinh
cam thuc » am thuc, nam thuc, cam thu
thuc va » thuc vat, thuc dan, thuc day
nang ma » sang ma, nang cao, mang may
cua tre » cuu tre, cua triet, dua tren
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
tu nam » su nam
ve cam » ve cham, ve cac, va cam
nam ky » cam ky, nam ly
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 nam ky ((nang ma) OR (tang ma)) hoi. hieu ve cam thuc va thanh vai ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu nam ky ((nang ma) or (tang ma)) hoi. hieu ve cam thuc va thanh vai ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: tu nam ky ((nang ma) or (tang ma)) hoi. hieu ve cam thuc va thanh vai ((cua tre) OR (cua te))*.