Perhaps you should try some spelling variations:
nhanh hoi » nhanh hai, nhanh hon, nhanh hoan
va nhanh » va thanh, va hanh, va nhan
te sach » toc sach
sach ky » sac ky, sach y, sach ty
lai hoi » lai hoa, lai roi, mai hoi
dai hoi » dai hoc, dai hai, dai moi
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
hoi cua » hoi chuc
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((lai hoi) or (dai hoi)). hieu ve cam duc va nhanh hoi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((lai hoi) OR (dai hoi)). hieu ve cam duc va nhanh hoi cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((lai hoi) or (dai hoi)). hieu ve cam duc va nhanh hoi cua tre*.