Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
technology debate » technology debts, technology related, technology state
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
des developpement » des developpements, de developpement, le developpement
debate inflation » estate inflation, rate inflation, relative inflation
developpement en » developpement et, developpement des, developpement de
prices 1.1 » prices 2.1, prices 3.1, prices 2.4
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 debate inflation _ prices 1.1 communication case des developpement en afrique.*.