Perhaps you should try some spelling variations:
sectoral developments » sectorial developments, sectoral development, sector developments
communications costs » communication costs, communications _
et communications » et communication, et communicatione, 10 communications
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
costs sectoral » cross sectoral, wits sectoral
developments 3 » developments _, developments 4, developments pt
set relations » et relations, des relations, eu relations
3.3.2 cross » 3.2.2 cross, 3.3 cross
cross et » cross sea, cross _, cross 1
3 aortic » _ aortic, 3 acetic, _ artic

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 et communications costs sectoral developments 3 aortic.*.