Perhaps you should try some spelling variations:
vector developments » sector developments, sector development, sectoral developments
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
relations 3.2.2 » relations 3.3.2, relations 4.2.2, relations 7.4.2
developments 3 » developments _, developments 4, developments pt
technology 3 » technology _, technology 1, technology 4
3 relations » et relations, des relations
3.2.2 cross » 3.3.2 cross, 3.2 cross
cost vector » class vector, reset vector, short vector
cross de » cross age, cross sea, cross _
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 3 relations 3.2.2 cross de communication cost vector developments 3 aortic.*.