Perhaps you should try some spelling variations:
"basicas matematicas computer program." » "basicas matematicas como program.", "basicas matematicas comics program.", "comicas matematicas computer program.", "benditas matematicas computer program.", "fisica matematica computer program.", "basicas matematicas computer programs."
"logica mathematics computer programa." » "logica matematica computer programa.", "logico matematico computer programa.", "logico matematica computer programa.", "logica mathematics computer programs.", "logica mathematics computer programming.", "logica mathematics computer programmers.", "logica mathematics computer programsa."

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