Perhaps you should try some spelling variations:
2.3.5 communication » 2.3 communication, 2.2.3 communication, 2.5 communication
communication can » communication canada, communication china, communication 3
technology 2.3.1 » technology 6.3.1, technology 2.1.1, technology 2.3.2
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
2.3.1 inflation » 2.2.4 inflation, 2.3 inflation, 3.3.3 inflation
inflation tax » inflation rate, inflation _, inflation target
prices 2.3.5 » prices 2.3.1, prices 2.3.4, prices 2.3.6
tax prices » gas prices, car prices, tax practices
can le » can let, can de, can lead

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

• Adding a wildcard symbol may retrieve word variants: technology 2.3.1 inflation tax prices 2.3.5 communication can le developpement en afrique.*.