Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies price » technologies ict, technologies policies, technologies improve
price information » private information, price inflation
per developpement » de developpement, power development, spur development
information need » information needs, information based, information age
developpement co » development co, development _, development a
costs per » cost per

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

• Adding a wildcard symbol may retrieve word variants: technologies price information need edge _ communication costs per developpement co afrique.*.