Perhaps you should try some spelling variations:
introduction distributed » introduction discrete, production distribution, interactive distributed
distributed method » distribution method, distributed memory, distributed mutual
extensions matrix » extensions matched, extensions part, extensions galois
extensions array » extensions delay, extensions read, extensions attack

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

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