Perhaps you should try some spelling variations:
carlos tovar » carlos alvar, carlos novarro, carlos thomas
cano carlos » caro carlos, campo carlos, cairo carlos
de cambiar » de cambiarla, que cambiar, de cambio
cambiar la » cambian la, cambiar el, cambio la
unam lapa » una lapa, una capa, una papa
tovar paz » tovar la
del cano » del canon, del canto, del caso

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: (( medicina de cambiar la unam lapa ; ) OR ( medicina del cano carlos tovar paz ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( medicina de cambiar la unam lapa ; ) or ( medicina del cano carlos tovar paz ; ))*.