Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
masses communication » mass communication, assess communication, causes communication
clean development » human development, urban development
information use » information und, information 2
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
skills clean » skills can, spills cleanup, skills create
ice masses » ice mass
a afrique » l afrique, en afrique
use ice » use rice, use ict, rise ice

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

• Adding a wildcard symbol may retrieve word variants: technologies a information use ice masses communication skills clean development a afrique.*.