Perhaps you should try some spelling variations:
communication cases » communication case, communication costs, communication based
open developpement » open development, en developpement, de developpement
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement en » developpement et, developpement des, developpement de
based inflation » cases inflation, based information, based innovation
inflation rates » inflation rate
rates rule » bayes rule, rate rules, rates reduce
cases open » cases over, changes open
rule 4.1 » rule 14.1, rules 4.1, rule 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology based inflation rates rule 4.1 communication cases open developpement en afrique.*.