Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
leur developpement » le developpement, deux developpements, de developpement
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
developpement en » developpement et, developpement des, developpement de
technology mara » technology moral, technology make, technology more
mara inflation » area inflation, market inflation, markup inflation
rate ruble » rate rules, rate table
phase leur » phase der, phase four
ruble 2.5 » rule 2.5, table 2.5, russe 2.5

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

• Adding a wildcard symbol may retrieve word variants: technology mara inflation rate ruble 2.5 communication phase leur developpement en afrique.*.