Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
inflation das » inflation bias, inflation tax, inflation a
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
das prices » gas prices, gas price, do prices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation das prices 3.2 communication paper _ developpement de afrique.*.