Perhaps you should try some spelling variations:
housing development » business development
15 communication » 5 communication, 1 communication, 10 communication
networks housing » networks choosing, networks using, network using
development case » development china
technologies 2 » technologies _, technologies 4
information 2 » information 3
der 15 » der 10, der 11, der 12
2 der » _ der

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information 2 der 15 communication networks housing development case afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 der 15 communication networks housing development case afrique.*.