Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
border developpement » border development, order development, de developpement
4 communications » 14 communications, 4 communication, 2 communications
developpement en » developpement et, developpement des, developpement de
information 1.2 » information 1.5.2, information 2
technologies 2 » technologies _, technologies 4
series border » studies border, series model, cities border
1.2 does » 13.2 does, 18.2 does, 1.2 des
does 4 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1.2 does 4 communications series border developpement en afrique.*.