Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
de developpement » sme development
developpement l » developpement il, developpement la, developpement de
technology 6 » technology _, technology 1, technology 3
6 inflation » _ inflation, 2 inflation, d inflation
prices 4.1 » price 4.1, prices 2.1, prices 3.1
l afrique » en afrique
phase de » phase der, phase des, phase die

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

• Adding a wildcard symbol may retrieve word variants: technology 6 inflation _ prices 4.1 communication phase de developpement l afrique.*.