Perhaps you should try some spelling variations:
communication exports » communication efforts, communication networks, communication costs
mass communication » risk communication, _ communication, mobile communication
technologies debt » technologies new, technologies ict, technologies sector
debt information » student information, credit information, health information
a development » _ development, clean development, asian development
exports a » exports _, export _, ports a
flows de » flows do, flows debt, flows _
de mass » does mass, ice mass

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies debt information flows de mass communication exports a development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies debt information flows de mass communication exports a development _ afrique.*.