Perhaps you should try some spelling variations:
kenya communications » korea communications, benin communications, lanka communications
transfer extraction » transfer operation, parameter extraction
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
extraction 2.2 » extraction 2.4, extraction 3.2, extraction 2.3
de afrique » de l'afrique, en afrique, l afrique
de kenya » new kenya, use kenya, _ kenya
2.2 de » 2.2 die, 2.2 der, 2.2 des

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

• Adding a wildcard symbol may retrieve word variants: technology transfer extraction 2.2 de kenya communications _ du developpement de afrique.*.