Perhaps you should try some spelling variations:
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
technology u.s » technology uses, technology 2.2, technology use
u.s inflation » und inflation, 2.3 inflation, 3.2 inflation
inflation tax » inflation rate, inflation _, inflation target
costs au » costs a, costs amy, costs _
space 4 » space _, space a, space 1

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

• Adding a wildcard symbol may retrieve word variants: technology u.s inflation tax space 4 communication costs au developpement en afrique.*.