Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
2.3 communication » 3.2 communication, de communication, 4 communication
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
inflation der » inflation index, inflation _, inflation tax
technology 3 » technology _, technology 1, technology 4
3 inflation » _ inflation, 2 inflation, 6 inflation
der prices » user prices, debt prices, do prices
prices 2.3 » price 2.3, prices 2.4, prices 2.1
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 3 inflation der prices 2.3 communication paper du developpement de afrique.*.