Perhaps you should try some spelling variations:
"sequences mathematics computer programs." » "science mathematics computer programs.", "sequences mathematics computer programas.", "sequences mathematics computer programa."
"basicas matematica como programmers." » "basicas matematicas como programmers.", "fisica matematica como programmers.", "comicas matematicas como programmers.", "basicas matematica como programar.", "basicas matematica como programa.", "basicas matematica computer programmers.", "basicas matematicas con programmers."

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

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