Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
danh vi » hanh vi, dinh vi, danh di
hieu va » lieu va, hieu qua
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
bo sach » co sach, hoc sach
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua

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 (bo sach)) ky nang xa hoi. hieu va cac ((xuc va) OR (luc va)) danh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((vu sach) or (bo sach)) ky nang xa hoi. hieu va cac ((xuc va) OR (luc va)) danh vi cua viet~".
• Adding a wildcard symbol may retrieve word variants: ((vu sach) or (bo sach)) ky nang xa hoi. hieu va cac ((xuc va) OR (luc va)) danh vi cua viet*.