Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
das developpement » des developpements, de developpement, du developpement
developpement du » developpement de, developpement des, developpement et
technology der » technology does, technology 4ir, technology dlt
der inflation » core inflation, _ inflation, low inflation
inflation tax » inflation rate, inflation _, inflation target
du afrique » en afrique, l afrique, de l'afrique
tax price » tax crime, fox price
price 2.1 » prices 2.1, price 2.3, rice 2.1
phase das » phase des, phase der, phase die

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

• Adding a wildcard symbol may retrieve word variants: technology der inflation tax price 2.1 communication phase das developpement du afrique.*.