Perhaps you should try some spelling variations:
technologies resource » technologies reduce
communication costs » communication systems, communication efforts, communication skills
oral communication » mobile communication, _ communication, risk communication
allocation social » education social, allocation model, action social
a development » _ development, clean development, asian development
social de » social _
costs a » costs _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies resource allocation social de oral communication costs a development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies resource allocation social de oral communication costs a development _ afrique.*.