Perhaps you should try some spelling variations:
11.1.1 communication » 11.4.1 communication, 13.3.10 communication, 2.3.1.1 communication
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
primer 11.1.1 » primary 11.1.1, primer a2.1.1, primer 2.3.1.1
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
inflation a » inflation _, inflation tax, inflation rate
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation a primer 11.1.1 communication costs et developpement de l'afrique.*.