Perhaps you should try some spelling variations:
sectoral developments » sectorial developments, sectoral development, sector developments
debug communication » debt communication, de communication, data communication
communication cost » communication costs, communication costa, communications costs
relations 3.3.2 » relation 3.3.2, relations 2.3.2, relations 7.3.2
technology set » technology sector, technology 1, technology 2.2
set relations » et relations, des relations, eu relations
cost sectoral » cross sectoral, joint sectoral, cost vector
3.3.2 cross » 3.2.2 cross, 3.3 cross

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

• Adding a wildcard symbol may retrieve word variants: technology set relations 3.3.2 cross debug communication cost sectoral developments _ artic.*.