Perhaps you should try some spelling variations:
urban development » human development
technologies can » technologies a, technologies co, technologies _
can information » von information, von informationen
information pt » information part, information 1, information 1.2
development co » development case, development china
costs urban » cost urban, across urban, crisis urban
co africa » can africa, do african, 1 africa
19 4 » 19 _, 19 a, 1 4

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 information pt ((9 4) OR (19 4)) communication costs urban development co africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies can information pt ((9 4) OR (19 4)) communication costs urban development co africa.*.