Perhaps you should try some spelling variations:
nham thuc » nhan thuc, nam thuc, nham thu
hieu van » hieu va, thien van, lieu va
van nham » van nam, van nhan, van tham
dinh dat » dinh ket, dinh van, dinh lam
cau tren » cu tren, dau tren, ca tren
so sach » so sanh, bo sach, co sach
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
y nang » ky nang, ly nang, v nang
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: so sach y nang x hoi. hieu van nham thuc va dinh dat cau tren~.
• Adding a wildcard symbol may retrieve word variants: so sach y nang x hoi. hieu van nham thuc va dinh dat cau tren*.