Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
van cac » van hac, van cau, van bac
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
so sanh » do sanh
y nang » ky nang, ly nang, v nang
cac tu » cac thu, cach tu, cac du
cua tu » cua tuc, cua su, cua cu

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 sanh)) y nang xa hoi. hieu van cac tu va danh vi ((cua te) OR (cua tu))~.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (so sanh)) y nang xa hoi. hieu van cac tu va danh vi ((cua te) or (cua tu))*.