Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
technology 1 » technology _
inflation do » inflation co, inflation der, inflation das
1 inflation » 10 inflation, 12 inflation, _ inflation
prices 3.5 » prices 3.1, prices 3.2, prices 7.5
phase die » phase i, phase ii, phase iii

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation do prices 3.5 communication phase die developpement en afrique.*.