Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
thanh vi » hanh vi, thanh va, thanh ve
va thanh » gia thanh, ban thanh, va tinh
gian cac » gian dan, gian cua
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
te sach » toc sach
y tang » 6 tang, 7 tang, 5 tang
xuc va » duc va, tuc va, luc 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: te sach ((y tang) OR (ky tang)) van hoi. hieu ((gian cac) OR (vien bach)) xuc va thanh vi cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((y tang) OR (ky tang)) van hoi. hieu ((gian cac) or (vien bach)) xuc va thanh vi cua viet~".
• Adding a wildcard symbol may retrieve word variants: te sach ((y tang) OR (ky tang)) van hoi. hieu ((gian cac) or (vien bach)) xuc va thanh vi cua viet*.