Perhaps you should try some spelling variations:
trade communication » true communication, stroke communication, radio communication
communication modes » communication model, communication des, communication media
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
12 integration » 1.2 integration, r12 integration, 2 integration
technology 12 » technology 1.2, technology 1, technology 2
20 trade » 2 trade, 2012 trade, 2005 trade
modes au » modeles au, modele au, modes _
3 20 » _ 20, 3 2, g 20

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

• Adding a wildcard symbol may retrieve word variants: technology 12 integration 3 20 trade communication modes au developpement en afrique.*.