Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers deflection » trade deflection, transfer function, transfer reduction
2.3 communication » 3.2 communication, de communication, 4 communication
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
deflection rate » depletion rate, detection rate, infection rate
communication 3 » communication _, communication a
rate rules » trade rules, water rules, wage rules
rules 2.3 » rules 4.3, rules 2.2, rules 2.4
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: technology transfers deflection rate rules 2.3 communication 3 das developpement en afrique.*.