Perhaps you should try some spelling variations:
4.3 communications » 4.3 communication, 2.3 communication, 1.3 communication
die developpement » de developpement, le developpement, du developpement
technology trade » technology trends, technology transfer, technology transfers
developpement de » developpement des, developpement durable
trade reaction » trade reduction, trade creation, trade relation
reaction based » reduction based, action based, creation based
based rules » based roles, basel rules, basic rules
de afrique » de l'afrique, en afrique, l afrique
rules 4.3 » rules 4.2, rules 3, rules 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade reaction based rules 4.3 communications _ die developpement de afrique.*.