Perhaps you should try some spelling variations:
workers immunization » core immunization, workers remuneration, workers organizations
immunization costs » communication costs, communications costs, immunization systems
vt informationen » von informationen, _ informationen, av informationen
et developpement » de developpement, le developpement, test development
technology vt » technology vi, technology 1, technology 3
codes workers » border workers, care workers, co workers
des afrique » en afrique, de l'afrique
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology vt informationen _ codes workers immunization costs et developpement des afrique.*.