Perhaps you should try some spelling variations:
cua viet » hoa viet, cua vat, cua dieu
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
ca viet » va viet, co viet, hoa viet

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty xang xa hoi. lieu va cac xuc ((va hanh) or (va dinh)) di ((cua viet) OR (ca viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty xang xa hoi. lieu va cac xuc ((va hanh) OR (va dinh)) di ((cua viet) OR (ca viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty xang xa hoi. lieu va cac xuc ((va hanh) or (va dinh)) di ((cua viet) OR (ca viet))".
• Adding a wildcard symbol may retrieve word variants: su sach ty xang xa hoi. lieu va cac xuc ((va hanh) or (va dinh)) di ((cua viet) OR (ca viet))*.