Perhaps you should try some spelling variations:
11.1.1 communication » 11.4.1 communication, 13.3.10 communication, 2.3.1.1 communication
technology usage » technology use, technology age, technology users
developpement la » developpement de, developpement et, developpement du
usage inflation » wage inflation, age inflation, usage information
primer 11.1.1 » primary 11.1.1, primer a2.1.1, primer 2.3.1.1
inflation a » inflation _, inflation tax, inflation rate
fabrique. » afrique., fabrice.

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

• Adding a wildcard symbol may retrieve word variants: technology usage inflation a primer 11.1.1 communication costs _ developpement la fabrique.*.