Perhaps you should try some spelling variations:
optical communication » optical communications, optic communication, political communication
technologies ary » technologies vary, technologies art, technologies any
ary information » early information, party information, jury information
information act » information age, information a, information about
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 ary information act de optical communication costs le development a afrique.*.