Perhaps you should try some spelling variations:
communication model » communication media
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement la » developpement de, developpement et, developpement du
a developpement » au developpement, de developpement, le developpement
technology age » technology usage, technology wages, technology a
inflation bond » inflation und, inflation boys, inflation good
age inflation » wage inflation, wages inflation, area inflation
bond prices » food prices, land prices, world prices
prices 4.1 » price 4.1, prices 2.1, prices 3.1
la afrique » l afrique, la fabrique, en afrique
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technology age inflation bond prices 4.1 communication model a developpement la afrique.*.