Perhaps you should try some spelling variations:
best developpement » et developpement, de developpement, le developpement
developpement em » developpement et, developpement en, developpement des
4 communication » 3 communication, 5.4 communication, de communication
technology 3.1 » technology 1, technology 2.2, technology _
3.1 transport » 3.11 transport, 3.2 transport, 3.3 transport
network link » network links, networks link, network lent
em africa » 1 africa
link 4 » linke 4, link _, link a

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 transport network link 4 communication a best developpement em africa.*.