Perhaps you should try some spelling variations:
5.3 communication » 2.3 communication, 4.3 communication, 1.3 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology cost » technology case, technology can, technology choice
cost mitigation » risk mitigation, gas mitigation, cost estimation
chapter have » chapter shape, chapter five, chapter seven
de afrique » de l'afrique, en afrique, l afrique
have 5.3 » leave 5.3, have 9.1
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology cost mitigation chapter have 5.3 communication costs de developpement de afrique.*.