Perhaps you should try some spelling variations:
caps communication » class communication, mass communication, c's communication
clean development » human development, urban development
information need » information needs, information needed, information speed
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
costs clean » costs clear
need price » feed price, agreed price, need privacy
price caps » price cap
a afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a information need price caps communication costs clean development a afrique.*.