Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
oral communication » mobile communication, _ communication, risk communication
technologies care » technologies create, technologies a, technologies any
care information » more information, can information, change information
le development » e development, sme development, use development
development co » development _, development a, development case
costs le » costs per, costs _, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies care information _ de oral communication costs le development co afrique.*.