Perhaps you should try some spelling variations:
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
technology u.s » technology uses, technology 2.2, technology use
u.s innovation » does innovation
compensation a » compensation _, compensation 4, compensation 2
innovation 3 » innovation 1, innovation 4
l afrique » en afrique
ptz und » putz und, platz und, lutz und
a et » a set, a net, a bet
netz » net, nets

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technology u.s innovation 3 ((ptz und) OR (netz und)) compensation a et developpement l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technology u.s innovation 3 ((ptz und) OR (netz und)) compensation a et developpement l afrique.*.