Perhaps you should try some spelling variations:
nhan thuc » nhan luc, dan thuc, toan thuc
thuc van » thuc vat, thuc dan, thuc va
nhanh li » thanh loi, nhanh thi, nhanh hai
nhanh vi » hanh vi, nhanh va, nhanh thi
hieu de » hieu ve, hieu he, hieu le
de nhan » do nhan, tue nhan, de thanh
ca viet » va viet, co viet, hoa viet
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang x hoi. hieu de nhan thuc van ((nhanh li) OR (nhanh vi)) ca viet~".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang x hoi. hieu de nhan thuc van ((nhanh li) OR (nhanh vi)) ca viet*.