Perhaps you should try some spelling variations:
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
work integration » world integration, ark integration, book integration
integration work » integrating world, integration framework, integration 3
developpement en » developpement et, developpement des, developpement de
technology work » technology week, technology network, technology working
4 developpement » de developpement, le developpement, et developpement
work note » work notes
note 1.1 » note 11, note 2.1, note 5.1
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 note 1.1 communication costs 4 developpement en afrique.*.