Perhaps you should try some spelling variations:
su sach » vu sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
truc va » thuc va, thuc vat, trung va
hieu va » lieu va, hieu qua
so sach » so sanh, bo sach, co sach
cuu tre » cua tre, cau tren, cau treo
v nang » va nang, vu nang, van nang
va cau » van cau, va cac, va dau
y nang » ky nang, ly nang, may nang
vi cuu » vi luu, vinh cuu

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: ((su sach) OR (so sach)) ((y nang) OR (v nang)) xa hoi. hieu va cau truc va danh vi cuu tre~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sach)) ((y nang) or (v nang)) xa hoi. hieu va cau truc va danh vi cuu tre*.