Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
information when » information what, information war, information wants
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
age information » care information, rate information, die information
technology age » technology usage, technology wages, technology a
when can » when a
costs de » costs _, costs 4, costs a
can 4.1 » scan 4.1, ban 4.1, bean 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology age information when can 4.1 communication costs de developpement en afrique.*.