Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
communication can » communication canada, communication china, communication 3
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
inflation tax » inflation rate, inflation _, inflation target
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
tax prices » gas prices, car prices, tax practices
can et » can eu, can best, can beat

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 inflation tax prices 2.3.1 communication can et developpement en afrique.*.