Perhaps you should try some spelling variations:
dan danh » van danh, han danh, ban danh
thuc dan » thuc hanh, hoc dan, thuc vat
nam thuc » nam thuoc, am thuc, nam thu
vu sach » vu bach, su sach, vu khach
danh di » danh du, xanh di, danh dien
hieu va » lieu va, hieu qua
hieu ve » hieu van
cua tre » cua te, cuu tre, cua triet
va nang » van nang, da nang, cam nang
v nang » vu nang, van nang, voi nang
di cua » dai cua, doi cua, de cua
o hoi » co hoi, o hoc, o hai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ((v nang) OR (va nang)) o hoi. ((hieu ve) OR (hieu va)) nam thuc dan danh di cua tre~.
• Adding a wildcard symbol may retrieve word variants: vu sach ((v nang) or (va nang)) o hoi. ((hieu ve) or (hieu va)) nam thuc dan danh di cua tre*.