Perhaps you should try some spelling variations:
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
die developpement » de developpement, le developpement, du developpement
technology trade » technology trends, technology transfer, technology transfers
developpement en » developpement et, developpement des, developpement de
trade reduction » trade regulation, trade regulations, trade restriction
reduction based » prediction based, production based, reduction case
based rules » based roles, basel rules, basic rules
rules 4.2 » rules 3.2, rules 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology trade reduction based rules 4.2 communications _ die developpement en afrique.*.