Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
rate communications » data communications, face communications, wave communications
do developpement » de developpement, du developpement, le developpement
developpement de » developpement des, developpement durable
information 3 » information 2
network do » network dmz, network _, network 3
wage rate » wage rates
3 wage » 3 wages, c3 wage, _ wage

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information 3 wage rate communications network do developpement de l'afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information 3 wage rate communications network do developpement de l'afrique.*.