Perhaps you should try some spelling variations:
dong xay » dang xay, cong xay, mong xay
su triet » su viet, ve triet
dinh lam » dinh van, tinh lao
van dinh » van minh, van dich, va dinh
tu sach » thu sach, su sach, te sach
xuc van » duc van, luc van, vuc van
sach tu » sach thu, cach tu, sach ty
xay hoi » xa hoi, tay hoi, cay phoi
su tien » su kien, su hien, tu tieng
va cao » va co, va dao, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach tu dong xay hoi. hieu ((va cao) or (va cac)) xuc van dinh lam ((su triet) OR (su tien))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu dong xay hoi. hieu ((va cao) OR (va cac)) xuc van dinh lam ((su triet) OR (su tien)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tu dong xay hoi. hieu ((va cao) or (va cac)) xuc van dinh lam ((su triet) OR (su tien))".
• Adding a wildcard symbol may retrieve word variants: tu sach tu dong xay hoi. hieu ((va cao) or (va cac)) xuc van dinh lam ((su triet) OR (su tien))*.