Perhaps you should try some spelling variations:
11.1.1 communication » 11.4.1 communication, 13.3.10 communication, 2.3.1.1 communication
developpement du » developpement de, developpement des, developpement et
4 developpement » de developpement, le developpement, et developpement
technology gap » technology 1, technology 2.2, technology 3
inflation good » inflation gopi, inflation gerold, inflation gross
gap inflation » has inflation, grade inflation, rapid inflation
primer 11.1.1 » primary 11.1.1, primer a2.1.1, primer 2.3.1.1
good primer » copd primer, good price, goods prices
du afrique » en afrique, l afrique, de 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 gap inflation good primer 11.1.1 communication costs 4 developpement du afrique.*.