Perhaps you should try some spelling variations:
optical communications » optic communication, political communication, digital communications
communications costs » communication costs, communications _
technologies pt » technologies _, technologies 4, technologies 2
information act » information age, information a, information about
pt information » ct information, plot information, get information
le development » e development, ce development, le developpement
de optical » _ optical, 3 optical, 12 optical
a afrique » l afrique, en afrique
costs le » costs _, costs 4, costs a
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 pt information act de optical communications costs le development a afrique.*.