Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
das developpement » des developpements, de developpement, du developpement
one information » more information, age information, die information
developpement l » developpement il, developpement la, developpement de
technology one » technology other, technology o140, technology 1
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
phase das » phase des, phase der, phase die
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 one information gap prices 3.1 communication phase das developpement l afrique.*.