Perhaps you should try some spelling variations:
2.3.6 communication » 2.3 communication, 2.2.3 communication, 2.8.3 communication
communication phase » communication case, communication based, communication paper
leur developpement » le developpement, deux developpements, de developpement
inflationare gas » inflationary bias, inflation das
developpement l » developpement il, developpement la, developpement de
4 inflationare » _ inflationary, des inflationaren
technology 4 » technology _, technology 1, technology 3
prices 2.3.6 » prices 2.3.1, prices 2.3.4, prices 2.3.5
phase leur » phase der, phase four
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 4 inflationare gas prices 2.3.6 communication phase leur developpement l afrique.*.