Perhaps you should try some spelling variations:
"exactas mathematics computer programming." » "exactas mathematics computer programs.", "exactas matematicas computer programming.", "arts mathematics computer programming.", "exactas mathematics computer programsming."
"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."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("exactas mathematics computer programming.") OR ("basicas matematicas computer program."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"exactas mathematics computer programming.\") OR (\"basicas matematicas computer program.\"))".
• Removing quotes may allow a broader search: (( exactas mathematics computer programming. ) OR ( basicas matematicas computer program. )).
• Adding a wildcard symbol may retrieve word variants: (("exactas mathematics computer programming.") OR ("basicas matematicas computer program."))*.