Perhaps you should try some spelling variations:
transfer factors » transfer factor, transfer across, transfer functions
de communication » mobile communication, online communication
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 de » trade die, rade de, trade date
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 de communication costs e developpement en afrique.*.