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
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
inflation das » inflation bias, inflation tax, inflation a
technology 2 » technology _, technology 1, technology 3
2 inflation » 12 inflation, _ inflation, 6 inflation
das prices » gas prices, gas price, do prices
prices 2.1 » prices 2.4, prices 2.3, prices 3.1
phase de » phase der, phase des, phase die

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

• Adding a wildcard symbol may retrieve word variants: technology 2 inflation das prices 2.1 communication phase de developpement en afrique.*.