Perhaps you should try some spelling variations:
4.3.2 communication » 3.3.2 communication, 4.2.2 communication, 4.3 communication
developpement de » developpement des, developpement durable
technology rate » technology state, technology role, technology related
inflation taxes » inflation rates, inflation tax, inflation targets
4 developpement » de developpement, le developpement, et developpement
rate inflation » grade inflation, wage inflation, age inflation
taxes case » states case, ages case, cases case
case 4.3.2 » case 4.6.2, case 5.3.2, cases 2.3.2
de afrique » de l'afrique, en afrique, l afrique
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 taxes case 4.3.2 communication costs 4 developpement de afrique.*.