Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies land » technologies any, technologies a, technology land
land information » fund information, award information, road information
information laws » information law, information flows, information gaps
de development » e development, de developpement, code development
de mobile » does mobile, _ mobile, a mobile
costs de » costs per, costs _, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies land information laws de mobile communication costs de development _ afrique.*.