Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
la communication » _ communication, mass communication, oral 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

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

• Adding a wildcard symbol may retrieve word variants: technologies a information flows _ la communication costs per development co afrique.*.