Perhaps you should try some spelling variations:
cac thoi » cac toi, cac hop, cac tro
vu sach » vu bach, su sach, vu khach
so sanh » do sanh
nang xa » nang x, lang xa, nang ma
thoi va » hoi va, thai va, tho va
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
v nang » va nang, vu nang, van nang
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: ((vu sach) OR (so sanh)) v nang xa hoi. lieu va cac thoi va danh vi ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (so sanh)) v nang xa hoi. lieu va cac thoi va danh vi ((cua te) OR (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (so sanh)) v nang xa hoi. lieu va cac thoi va danh vi ((cua te) OR (cua tu))*.