Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
et developpement » de developpement, le developpement, test development
developpement de » developpement des, developpement durable
transfer factor » transfer factors, transfer function, transfer history
factor ages » factors age, factor shares, factor basis
efforts et » efforts _, effets et, effors pt
de afrique » de l'afrique, en afrique, l afrique
ages case » wages case, age case, cases case
case 3.5 » cases 3.5, case 3.5a, case 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology transfer factor ages case 3.5 communication efforts et developpement de afrique.*.