Perhaps you should try some spelling variations:
"matematicas algorithms." » "matematicas algoritmo." (Expand Search), "matematicas algoritmos." (Expand Search)
"interactive algorithm." » "interactivos algorithm." (Expand Search), "interaction algorithm." (Expand Search), "interactions algorithm." (Expand Search), "interactive algoritmo." (Expand Search)
"iterative algorithm." » "iterative algoritmo." (Expand Search), "integrative algorithm." (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"matematicas algorithms.\") OR (((\"interactive algorithm.\") OR (\"iterative algorithm.\"))))~".
• Removing quotes may allow a broader search: (( matematicas algorithms. ) OR ((( interactive algorithm. ) OR ( iterative algorithm. ))))~.
• Adding a wildcard symbol may retrieve word variants: (("matematicas algorithms.") OR ((("interactive algorithm.") OR ("iterative algorithm."))))*.