Perhaps you should try some spelling variations:
integration rules » integration roles, integration euler's, immigration rules
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
rules rate » rules state, rules trade, rules game
de afrique » de l'afrique, en afrique, l afrique
rate 2.7 » rate 2.4, gate 2.7, rate 2.3
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technological _ integration rules rate 2.7 communication costs le developpement de afrique.*.