Perhaps you should try some spelling variations:
sector developments » sector development, recent developments
communication cost » communication costs, communication costa, communications costs
developments acute » developments after, developments alter, development act
el communication » cell communication, real communication, 3 communication
relations 7.5 » relations 2.5, relations 7.1, relations 7.3
technology 1 » technology _
acute aortic » after aortic
1 relations » 3 relations, a relations, 1.2 relations
cost sector » cost vector, port sector, forest sector
7.5 crisis » 2.5 crisis, 2.1 crisis, 3.1 crisis
crisis el » crisis _, crisis a, crisis 1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 relations 7.5 crisis el communication cost sector developments acute aortic.*.