Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement der » developpement des, developpement de, developpement et
du developpement » de developpement, le developpement, et developpement
inflation rates » inflation rate
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
der farmen » der farben, der formen, der armen
space 2.2 » space 2.1, space 3.2, space 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation rates space 2.2 communication _ du developpement der farmen.*.