Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
1 developpement » de developpement, le developpement, et developpement
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
inflation co » inflation can, inflation rob, inflation von
prices 3.2 » price 3.2, prices 3.1, prices 4.2
co prices » do prices, co primes, coal prices
phase 1 » phase _

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

• Adding a wildcard symbol may retrieve word variants: technology gap inflation co prices 3.2 communication phase 1 developpement en afrique.*.