Perhaps you should try some spelling variations:
optical communication » optical communications, optic communication, political communication
technologies co » technologies _, technologies 4, technologies 2
information act » information age, information a, information about
key development » city development, mena development, energy development
co information » do information, 2 information, 1 information
de optical » _ optical, 3 optical, 12 optical
costs key » costs amy
a afrique » l afrique, en afrique
act de » act der, pact de, act does

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

• Adding a wildcard symbol may retrieve word variants: technologies co information act de optical communication costs key development a afrique.*.