Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
oral communication » mobile communication, _ communication, risk communication
code development » model development, care development, trade development
age information » care information, rate information, change information
information age » information gaps, information laws, information _
technology age » technology wages, technology use, technology e
costs code » customs code

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology age information age de oral communication costs code development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology age information age de oral communication costs code development _ afrique.*.