Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
der developpements » des developpements, deux developpements, de developpement
2.3 communication » 3.2 communication, de communication, 4 communication
developpements en » developpement en, developpement et, developpements de
technology rich » technology risk, technology africa, technology rights
rich inflation » price inflation, high inflation, die inflation
inflation gas » inflation das, inflation bias, inflation tax
gas price » gas prices
price 2.3 » price 3, price 4.4

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

• Adding a wildcard symbol may retrieve word variants: technology rich inflation gas price 2.3 communication phase der developpements en afrique.*.