Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
communication can » communication canada, communication china, communication 3
do developpement » de developpement, du developpement, le developpement
inflation rates » inflation rate
des afrique » en afrique, de l'afrique
rates rule » bayes rule, rate rules, rates reduce
rule 3.2 » rules 3.2, rule 2.2, 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 _ inflation rates rule 3.2 communication can do developpement des afrique.*.