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

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

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