Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
work integration » world integration, ark integration, book integration
integration work » integrating world, integration framework, integration 3
developpement de » developpement des, developpement durable
technology work » technology week, technology network, technology working
4 developpement » de developpement, le developpement, et developpement
work rates » work roles, work rules, work notes
de afrique » de l'afrique, en afrique, l afrique
rates 4.2 » rates 4.5
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology work integration work rates 4.2 communication costs 4 developpement de afrique.*.