Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
hoc sach » hoc sinh, hoc cac, hoc anh
cao thuc » cao thuoc, bao thuc, can thuc
hanh lai » hanh lam, hanh tai, thanh lap
te sach » toc sach
nang ma » tang ma, sang ma, nang cao
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa
va cao » va cac, va co, va dao

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) or (hoc sach)) y nang ma hoi. lieu va cao thuc va hanh lai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (hoc sach)) y nang ma hoi. lieu va cao thuc va hanh lai cua triet.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (hoc sach)) y nang ma hoi. lieu va cao thuc va hanh lai cua triet*.