Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
technology gaps » technology gap
inflation wages » inflation rates, inflation taxes, inflation targets
e developpement » de developpement, le developpement, et developpement
gaps inflation » has inflation, grade inflation, rapid inflation
wages race » wages trade, wage rate, wages case
de afrique » de l'afrique, en afrique, l afrique
race 3.2 » race 3.7, race 4.2, rice 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation wages race 3.2 communication costa e developpement de afrique.*.