Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
informal state » formal state, informal share, informal spaces
state due » states due, state duma, state does
due debt » does debt, pure debt, run debt

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

• Adding a wildcard symbol may retrieve word variants: technologies _ informal state due debt communication media leur developpement en afrique.*.