Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
iii developpement » iii development, de developpement, le developpement
inflation gerold » inflation levels, inflation across, inflation der
developpement de » developpement des, developpement durable
gerold prices » gold prices, world prices, gold price
prices 4.2 » prices 3.2, prices 4.6, prices 4.9
de afrique » de l'afrique, en afrique, l afrique
phase iii » phase ii, phase i

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation gerold prices 4.2 communication phase iii developpement de afrique.*.