Perhaps you should try some spelling variations:
communication channel » communication channels, communications channels, communication chapter
leak developpement » le developpement, leur developpement, de developpement
integration work » integrating world, integration framework, integration 3
de communication » mobile communication, online communication
3.2 integration » 2.2 integration, 5.2 integration, 3.2 interaction
developpement l » developpement il, developpement la, developpement de
technology 3.2 » technology 2.2, technology 3.1, technology 2
channel leak » channel mean, channel leakage, channel block
work trade » pork trade, world trade, work travel
l afrique » en afrique
trade de » trade die, rade de, trade date

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 integration work trade de communication channel leak developpement l afrique.*.