Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
toc sach » hoc sach, doc sach, thuoc sach
ve cuoc » va cuoc, ve duoc, ve nuoc
tinh ve » trinh ve, tinh ven, dinh ve
va tinh » may tinh
thue va » thuc va, thuyet va, thuc vat
xang xa » lang xa, mang xa, ang xa
ve cuc » ve cac, ve suc, ve cum
ve cua » le cua, de cua, te 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) OR (toc sach)) ty xang xa hoi. hieu ((ve cuc) OR (ve cuoc)) thue va tinh ve cua viet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty xang xa hoi. hieu ((ve cuc) or (ve cuoc)) thue va tinh ve cua viet~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty xang xa hoi. hieu ((ve cuc) or (ve cuoc)) thue va tinh ve cua viet*.