Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
integration work » integrating world, integration framework, integration 3
4ir integration » zur integration, der integration, 4 integration
e developpement » de developpement, le developpement, et developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
work travel » world travel
des afrique » en afrique, de l'afrique
travel 4.2 » travel 2.2, travel 4.4, travel 4.5

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integration work travel 4.2 communication costa e developpement des afrique.*.