Perhaps you should try some spelling variations:
introduction recognition » introduction metacognition, introduction redefinition, introduction definition
recognition methods » recognition method
methods recursion » methods recursive, methods decision, method recursive
recursion array » recursion arrays
array formats » array format, assay formats, array formulas

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 methods recursion array formats~.
• Adding a wildcard symbol may retrieve word variants: introduction recognition methods recursion array formats*.