Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies fairs » technologies fail, technologies failure, technologies varies
fairs information » fair information, aids information, dis information
information case » information based, information can, information costs
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
des personal » des personals, der personal, das personal
developing a » developing _
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
case des » cases des, case das, phase des
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 fairs information case des personal communication costs 3.2 developing a areas.*.