Perhaps you should try some spelling variations:
cach thuc » anh thuc, cac thu
thuc gia » thuc giai, thue gia, thuc dia
thanh vi » hanh vi, thanh va, thanh ve
bo sach » co sach, hoc sach
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
va cach » va cac
cua tre » cuu tre, cua triet, dua tren
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach y nang ma hoi. hieu va cach thuc gia thanh vi ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach y nang ma hoi. hieu va cach thuc gia thanh vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: bo sach y nang ma hoi. hieu va cach thuc gia thanh vi ((cua tre) or (cua te))*.