Perhaps you should try some spelling variations:
2.2.3 communication » 12.2.4 communication, 3.2 communication, 2.7 communication
communication phase » communication case, communication based, communication paper
de developpement » sme development
developpement du » developpement de, developpement des, developpement et
technology 10 » technology 110, technology 1, technology 11
10 inflation » 12 inflation, 10.7 inflation, _ inflation
rate 2.2.3 » rate 2.3.3, rate 2.2.3.1, praxe 2.2.3
du afrique » en afrique, l afrique, de l'afrique
rate rate » rates rates, rate ratio, rate water
phase de » phase der, phase des, phase die

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

• Adding a wildcard symbol may retrieve word variants: technology 10 inflation rate rate 2.2.3 communication phase de developpement du afrique.*.