Perhaps you should try some spelling variations:
"comicas mathematics computer programa." » "comicas matematicas computer programa.", "copulas mathematical computer programa.", "sciences mathematics computer programa.", "comicas mathematics computer programs.", "comicas mathematics computer program.", "comicas mathematics computer programming."
"basicas matematicas logic programming." » "comicas matematicas logic programming.", "benditas matematicas logic programming.", "fisica matematica logic programming.", "basicas matematica logica programming.", "basicas mathematics logic programming.", "basicas matematicas comics programming."

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: (("comicas mathematics computer programa.") OR ("basicas matematicas logic programming."))~.
• Removing quotes may allow a broader search: (( comicas mathematics computer programa. ) or ( basicas matematicas logic programming. ))~.
• Adding a wildcard symbol may retrieve word variants: (("comicas mathematics computer programa.") or ("basicas matematicas logic programming."))*.