Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement en » developpement et, developpement des, developpement de
inflation state » inflation starts, inflation rate, simulation state
technology can » technology change, technology 1, technology 2.2
can inflation » ein inflation, has inflation, von inflation
space 6.2 » spaces 6.2, space 3.2, space 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology can inflation state space 6.2 communication _ leur developpement en afrique.*.