Perhaps you should try some spelling variations:
technologies resource » technologies reduce, technological resources, technologies discourse
oil communication » oral communication, social communication, moral communication
allocation need » allocation united, allocation based, allocation intel
a afrique » l afrique, en afrique
need one » need more, need only
one oil » one only, some oil

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 need one oil communication costs _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies resource allocation need one oil communication costs _ development a afrique.*.