Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
thuc va » thuc vat, thuc dan, thuc day
danh vi » hanh vi, dinh vi, danh di
y nang » ky nang, ly nang, v nang
va cai » va bai, va dai, va cao
vi cua » vai cua, di cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang x hoi. hieu ((va cai) or (va cac)) ((thuc va) or (tuc xa)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang x hoi. hieu ((va cai) OR (va cac)) ((thuc va) OR (tuc xa)) danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang x hoi. hieu ((va cai) or (va cac)) ((thuc va) or (tuc xa)) danh vi cua te*.