Perhaps you should try some spelling variations:
"funciones matematicas computer programs." » "funciones mathematics computer programs.", "funciones matematicas como programs.", "funciones matematicas comics programs.", "funcion matematicas computer programs.", "funciones matematicas computer programas.", "funciones matematicas computer programa."
"basicas matematicas control programming." » "comicas matematicas control programming.", "benditas matematicas control programming.", "fisica matematica control programming.", "basicas matematicas con programming.", "basicas matematicas como programming.", "basicas matematicas entre programming."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("funciones matematicas computer programs.") or ("basicas matematicas control programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("funciones matematicas computer programs.") OR ("basicas matematicas control programming."))*.
• Removing quotes may allow a broader search: (( funciones matematicas computer programs. ) or ( basicas matematicas control programming. ))*.