Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
injection target » invocation target, inflation target, connection targets
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
technology rich » technology risk, technology africa, technology rights
rich injection » risky injection, aid injection, via injection
target trade » target grade, market trade, target rate
trade 2.7 » trade 2.2, trade 2.1, trade 4.7
costs le » 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 rich injection target trade 2.7 communication costs le developpement en afrique.*.