Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 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 2.3 » rules 4.3, rules 2.2, rules 2.4

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 2.3 communication _ die developpement de afrique.*.