Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
development korea » development great, development kenya, development key
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
korea areas » korea ideas, korea markets
costs die » costs ii, costs iii, costs differ
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information costs die de communication costs _ development korea areas.*.