Perhaps you should try some spelling variations:
communication power » communications power, communication pour, communication paper
when confirmation » de confirmation, when conversation, when information
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
et developpement » de developpement, le developpement, test development
technology when » technology week, technology what, technology web
developpement l » developpement il, developpement la, developpement de
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
l afrique » en afrique
power et » power eu, power ein, power era

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

• Adding a wildcard symbol may retrieve word variants: technology when confirmation _ prices 3.1 communication power et developpement l afrique.*.