Perhaps you should try some spelling variations:
3.3.2 communication » 3.4.2 communication, 3.2.3.2 communication, 13.3.9 communication
developpement de » developpement des, developpement durable
technology rate » technology state, technology role, technology related
4 developpement » de developpement, le developpement, et developpement
rate inflation » grade inflation, wage inflation, age inflation
inflation ages » inflation rates, inflation taxes, inflation als
case 3.3.2 » case 4.3.2, case 5.3.2, case 2.3.2
de afrique » de l'afrique, en afrique, l afrique
ages case » wages case, age case, cases case
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology rate inflation ages case 3.3.2 communication costs 4 developpement de afrique.*.