Perhaps you should try some spelling variations:
11.6 communication » 1.1 communication, 1.3 communication, 1.4 communication
communication case » communications case, communication based, communication phase
des developpement » des developpements, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
inflation tax » inflation rate, inflation _, inflation target
prices 11.6 » prices 4.6, prices 6.6, practices 11.6
tax prices » gas prices, car prices, tax practices
l afrique » en afrique
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation tax prices 11.6 communication case des developpement l afrique.*.