Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information chains » information china, information channels, information domains
developing areas » developing asia, developing east, developing a
technologies 2 » technologies _, technologies 4
areas africa » arabs africa, dress africa, farmers africa
ce personal » de personal, e personal, der personal
chains ce » chains co, chains new, chains key

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information chains ce personal communication costs _ developing areas africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information chains ce personal communication costs _ developing areas africa.*.