Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
developpement la » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
technology und » technology fund, technology used, technology use
und inflation » _ inflation, low inflation, der inflation
prices 2.1 » prices 2.4, prices 2.3, prices 3.1
la afrique » l afrique, la fabrique, en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology und inflation _ prices 2.1 communication costs 4 developpement la afrique.*.