Perhaps you should try some spelling variations:
"fisica matematica computer program." » "fisica mathematics computer program.", "fisica matematica computer programs."
"basicas matematicas control programming." » "comicas matematicas control programming.", "benditas matematicas control programming.", "fisico matematicas 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: (("fisica matematica computer program.") or ("basicas matematicas control programming."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("fisica matematica computer program.") OR ("basicas matematicas control programming."))*.
• Removing quotes may allow a broader search: (( fisica matematica computer program. ) or ( basicas matematicas control programming. ))*.