Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
su sach » so sach, vu sach
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, vu cham
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va co » vo co

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 y nang ma hoa. hieu ((ve cham) or (va co)) ((thuc vat) or (thuc hanh)) hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang ma hoa. hieu ((ve cham) OR (va co)) ((thuc vat) OR (thuc hanh)) hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sach y nang ma hoa. hieu ((ve cham) or (va co)) ((thuc vat) or (thuc hanh)) hanh lai cua tre*.