Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
risk information » bank information, tourism information, tourist information
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
information 4 » information 2
host mediated » dust mediated, cas9 mediated, ict mediated
cost le » cost low, cost lcc
4 host » 24 host, _ host, a host

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

• Adding a wildcard symbol may retrieve word variants: technology risk information 4 host mediated communication cost le developpement en afrique.*.