Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
risk communication » _ communication, mobile communication
technology health » technology has
asian development » human development, urban development, clean development
development can » development bank, development band, development case
information et » information act, information _, information need
can africa » urban africa, china africa
de risk » de risi, does risk, edge risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology health information et de risk communication costs asian development can africa.~.
• Adding a wildcard symbol may retrieve word variants: technology health information et de risk communication costs asian development can africa.*.