Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
a developpement » au developpement, de developpement, le developpement
inflation und » inflation index, inflation _, inflation tax
technology 4 » technology _, technology 1, technology 3
4 inflation » _ inflation, 2 inflation, 6 inflation
und prices » fund prices, land prices, bond prices
prices 4 » prices _, prices a, prices 3
phase a » phase 1, phase _, phase 2

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

• Adding a wildcard symbol may retrieve word variants: technology 4 inflation und prices 4 communication phase a developpement en afrique.*.