Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
5.4 communication » de communication, data communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology flow » technology low, technology from, technology food
flow inflation » low inflation, food inflation, log inflation
crises 5.4 » crises 3.4, crises 4.4, crises 2.2
phase de » phase der, phase des, phase die
rate » rates

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

• Adding a wildcard symbol may retrieve word variants: technology flow inflation rate crises 5.4 communication phase de developpement en afrique.*.