Perhaps you should try some spelling variations:
introduction recognition » introduction metacognition, introduction redefinition, introduction definition
recursive programs » recursive programming
programs formulas » programs formal, problems formulas, programs formally
method recursive » methods recursive, method discursive, other recursive

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

• Performing a fuzzy search may retrieve terms with similar spellings: introduction recognition method recursive programs formulas~.
• Adding a wildcard symbol may retrieve word variants: introduction recognition method recursive programs formulas*.