Perhaps you should try some spelling variations:
vector interaction » sector interactions, actor interaction, sector integration
technology vector » technology sector, technology sectoral, technology section
2.3 communication » 3.2 communication, de communication, 4 communication
interaction term » interaction _
developing 2.2 » developing _, developing a, developing e
term process » reform process
a developing » a development
process 2.3 » process 2.2, process 2.1, process 2.4
2.2 afrique » 2014 afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology vector interaction term process 2.3 communication costs a developing 2.2 afrique.*.