Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
inflation der » inflation index, inflation _, inflation tax
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
der prices » user prices, debt prices, do prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
de afrique » de l'afrique, en afrique, l afrique
paper du » paper d, paper cut, paper _

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation der prices 3.1 communication paper du developpement de afrique.*.