Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
technology 10 » technology 110, technology 1, technology 11
inflation auf » inflation a, inflation rate, inflation _
10 inflation » 12 inflation, 10.7 inflation, _ inflation
auf change » auf lange
change 3.2 » change 3.1, change 2.1, change 2
costs du » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 10 inflation auf change 3.2 communications costs du developpement en afrique.*.