Perhaps you should try some spelling variations:
technology sharing » technology changing, technology learning, technology during
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
de developpement » sme development
developpement de » developpement des, developpement durable
sharing nation » sharing innovation
nation rates » nation states, nation notes, nation race
de afrique » de l'afrique, en afrique, l afrique
rates tax » rate tax, rates a, rates a4
costs de » costs _, costs 4, costs a
tax 3.1 » tax 2.1, tax 3.3, tax 3.4

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

• Adding a wildcard symbol may retrieve word variants: technology sharing nation rates tax 3.1 communication costs de developpement de afrique.*.