Perhaps you should try some spelling variations:
introduction transformation » reproduction transformation, introduction information, introduction translation
introduction transition » introduction translation, introduction traditional, introduction definition
method recursion » method recursive, methods recursive, method decision
recursion array » recursion arrays

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((introduction transformation) or (introduction transition)) method recursion array format~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((introduction transformation) OR (introduction transition)) method recursion array format.
• Adding a wildcard symbol may retrieve word variants: ((introduction transformation) or (introduction transition)) method recursion array format*.