Perhaps you should try some spelling variations:
del velazquez » diego velazquez, diaz velazquez, raul velazquez
biblioteca de » biblioteca nueva
alta casos » alta ocasion, malta campos
casos de » caso de
ula caso » el caso, un caso, al caso
caso del » caso de
de ula » de aula, de lula, de gula

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: (( biblioteca de alta casos de velazquez ; ) OR ( biblioteca de ula caso del velazquez ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( biblioteca de alta casos de velazquez ; ) or ( biblioteca de ula caso del velazquez ; ))*.