Perhaps you should try some spelling variations:
vuc nang » cuc nang, vu nang, chuc nang
cau thuc » cau truc, cuu thuc, can thuc
hanh lai » hanh lam, hanh tai, thanh lap
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
va nang » van nang, da nang, cam nang
qua cau » quan cau, qua cac, qua ca
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((va nang) or (vuc nang)) ma hoi. hieu qua cau thuc va hanh lai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((va nang) OR (vuc nang)) ma hoi. hieu qua cau thuc va hanh lai cua viet.
• Adding a wildcard symbol may retrieve word variants: su sach ((va nang) or (vuc nang)) ma hoi. hieu qua cau thuc va hanh lai cua viet*.