Perhaps you should try some spelling variations:
4.3.1 communication » 4.2.1 communication, 4.5.1 communication, 4.1 communication
developpement la » developpement de, developpement et, developpement du
technology rate » technology state, technology role, technology related
4 developpement » de developpement, le developpement, et developpement
rate inflation » grade inflation, wage inflation, age inflation
care 4.3.1 » care 4.3.3, care 4.4.1, care 4.8.1
la afrique » l afrique, la fabrique, en 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 _ care 4.3.1 communication costs 4 developpement la afrique.*.