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