Perhaps you should try some spelling variations:
communication methods » communication media, communication model
oral communication » personal communication
urban development » human development
technologies a » technologies _, technologies 4, technologies 2
development en » developpement en, development menu, development eco
a information » 2 information, 1 information
der oral » der moral, der ort, der orte

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

• Adding a wildcard symbol may retrieve word variants: technologies a information _ der oral communication methods urban development en afrique.*.