Perhaps you should try some spelling variations:
communications module » communication module, communications models, communication model
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
technology usage » technology use, technology age, technology users
developpement de » developpement des, developpement durable
usage inflation » wage inflation, age inflation, usage information
a developpement » au developpement, de developpement, le developpement
inflation bias » inflation boys, inflation das, inflationary bias
bias prices » gas prices, biomass prices, bonds prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
de afrique » de l'afrique, en afrique, l afrique
module a » module _, module 1, module 2

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

• Adding a wildcard symbol may retrieve word variants: technology usage inflation bias prices 3.1 communications module a developpement de afrique.*.