Perhaps you should try some spelling variations:
die communication » de communication, time communication, une communication
transfer factors » transfer factor, transfer across, transfer functions
developpement en » developpement et, developpement des, developpement de
e developpement » de developpement, le developpement, et developpement
factors spatio » factors spatial, factors section, factors relation
spatio trade » spatial trade, spanish trade
trade die » trade date, trade does, trade day
costs e » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology transfer factors spatio trade die communication costs e developpement en afrique.*.