Perhaps you should try some spelling variations:
urban development » human development
communication urs » communication une, communication _, communication a
development wages » development stages, development age, development water
technologies 4 » technologies _
4 information » 2 information, 1 information
information 2 » information 3
wages africa » rates africa, works africa, yes africa
urs urban » us urban, uses urban
2 do » _ do, 2 de, 1 do
2 co » _ co, a co, 2 c

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 4 information 2 ((2 do) OR (2 co)) communication urs urban development wages africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 ((2 do) OR (2 co)) communication urs urban development wages africa.*.