Perhaps you should try some spelling variations:
einer intervention » energy intervention, der intervention, gender interventions
intervention wages » intervention areas, intervention make, intervention laws
technology einer » technology trainer, technology energy, technology expert
developpement en » developpement et, developpement des, developpement de
1 communication » 10 communication, 3 communication, 4 communication
wages race » wages trade, wage rate, wages case
race 1 » race _, bace 1, rice 1

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

• Adding a wildcard symbol may retrieve word variants: technology einer intervention wages race 1 communication costs _ developpement en afrique.*.