Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
mass communication » risk communication, _ communication, mobile communication
per development » power development, spur development, power developments
technologies a » technologies _
development co » development _, development a, development case
a information » _ information, land information, award information
costs per » cost per
flows do » flows _
do mass » does mass, how mass, do mlabs

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information flows do mass communication costs per development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information flows do mass communication costs per development co afrique.*.