Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information case » information based, information can, information costs
better personal » setting personal
technologies 2 » technologies _, technologies 4
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing a » developing _
case better » make better, can better, have better
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information case better personal communication costs 4.2 developing a areas.*.