Perhaps you should try some spelling variations:
debate integration » globale integration, mediale integration, trade integration
technology debate » technology debts, technology related, technology state
integration wages » integration wage, integration wege, integration wie
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
wages rice » wages race, wages prices, wage price
rice 3.5 » rice 3.1, rice 3.3, rice 2.5
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 debate integration wages rice 3.5 communication costs 4 developpement en afrique.*.