Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
technology modest » technology mest, technology models, technology most
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
modest inflation » does inflation, money inflation, domestic inflation
d developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
inflation tax » inflation rate, inflation _, inflation target
tax prices » gas prices, car prices, tax practices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
l afrique » en afrique
case d » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology modest inflation tax prices 3.1 communication case d developpement l afrique.*.