Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
inflation rules » inflation rates, information rules, inflation causes
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
trade 3.1 » trade 3.2, trade 4.1, trade 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation rules trade 3.1 communications _ de developpement en afrique.*.