Perhaps you should try some spelling variations:
13.3.9 communication » 13.3.10 communication, 13.4.5 communication, 3.3.2 communication
technology rapid » technology rate, technology road, technology trap
developpement en » developpement et, developpement des, developpement de
rapid inflation » rapid population
a developpement » au developpement, de developpement, le developpement
inflation und » inflation index, inflation _, inflation tax
primer 13.3.9 » primer 11.1.1
und primer » und privater
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology rapid inflation und primer 13.3.9 communication costs a developpement en afrique.*.