Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
power development » water development, career development, hydropower development
development acute » development act, development route, development age
et communication » et communicatione, get communication, debt communication
relations 10.3 » relations 1.3, relations 10.1, relations 14.3
technology et » technology e, technology ecit, technology eimt
et relations » des relations, 3 relations, ethnic relations
acute aortic » after aortic
10.3 crisis » 10.2 crisis, 13.3 crisis, 1.1 crisis
cost power » cost per, soft power
crisis et » crisis el, crisis en, crisis eu

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

• Adding a wildcard symbol may retrieve word variants: technology et relations 10.3 crisis et communication cost power development acute aortic.*.