Perhaps you should try some spelling variations:
2.5 communication » 2.3 communication, 2.7 communication, 3.5 communication
technology tools » technology thesis
tools population » ties population, does population, ios population
population panel » population age, population based, population area
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
la afrique » l afrique, la fabrique, en afrique
panel fig » panel firm, panel i, panel ii
costs de » costs _, costs 4, costs a
fig 2.5 » fig 12.5, fig 2.15, fig 2.35

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

• Adding a wildcard symbol may retrieve word variants: technology tools population panel fig 2.5 communication costs de developpement la afrique.*.