Perhaps you should try some spelling variations:
hanh lai » hanh lam, hanh tai, thanh lap
thuoc va » thuoc ma, thuong va, thuoc tai
tu sach » thu sach, su sach, te sach
lai cuu » lai cua, lai chau, lai cuoc
thuc va » thuc vat, thuc dan, thuc day
ve canh » van canh, ve thanh
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ty nang » ky nang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo
o hoi » co hoi, o hoc, o hai
x hoi » xa hoi, x ho, 5 hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty nang ((x hoi) or (o hoi)). hieu ve canh ((thuoc va) or (thuc va)) hanh lai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty nang ((x hoi) OR (o hoi)). hieu ve canh ((thuoc va) OR (thuc va)) hanh lai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang ((x hoi) or (o hoi)). hieu ve canh ((thuoc va) or (thuc va)) hanh lai cuu tre*.