Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
developing asia » development asia, developing a
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
information 2 » information 3
die personal » die personale, de personal, die persona
asia arenas » asia trends, areas arenas, laura arenas
costs 4.1 » costs 4.2, costs 4.4, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 2 die personal communication costs 4.1 developing asia arenas.*.