Perhaps you should try some spelling variations:
introduction distributed » introduction discrete, production distribution, interactive distributed
distributed methods » distributed method, distribution methods, distributed meetings
array string » array strong, arrays strings, array sharing
array arcing » array forming, array probing, array sharing
methods ras » methods grasp, methods real, methods risk
array using » arrays using

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 methods ras ((((array string) or (array arcing))) or (array using))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: introduction distributed methods ras ((((array string) OR (array arcing))) OR (array using)).
• Adding a wildcard symbol may retrieve word variants: introduction distributed methods ras ((((array string) or (array arcing))) or (array using))*.