Perhaps you should try some spelling variations:
communication most » communication costs, communication costa, communication mode
can informationen » von informationen, can information, av informationen
urban development » human development
technologies can » technologies a, technologies co, technologies _
informationen 18 » informationen 10, informationen 2, informationen zu
most urban » cost urban, worst urban, bust urban
19 4 » 19 _, 19 a, 19 1

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 can informationen 18 ((19 4) OR (1 4)) communication most urban development 1 africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies can informationen 18 ((19 4) OR (1 4)) communication most urban development 1 africa.*.