Perhaps you should try some spelling variations:
communication oleh » communication our, communication online, communication _
urban development » human development
4 communication » 3 communication, 5.4 communication, de communication
development use » development using, development under, development unit
technologies 2 » technologies _, technologies 4
3.2 2 » 3.2 a, 3.2 k, 3.0 2

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 2 information ((3.2 2) OR (3.2 _)) 4 communication oleh urban development use africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies 2 information ((3.2 2) OR (3.2 _)) 4 communication oleh urban development use africa.*.