Perhaps you should try some spelling variations:
2.14 communication » 2.4 communication, 5.4 communication, 2.3 communication
population payer » population panel, population per, population age
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
technology ties » technology tieups, technology studies, technology thesis
ties population » u.s population, les populations, nations population
payer firm » panel firm, page firm, per firm
firm 2.14 » firm 1.1, firm 2.2, firm 2016
costs de » costs _, costs 4, costs a
fabrique. » afrique., fabrice.

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

• Adding a wildcard symbol may retrieve word variants: technology ties population payer firm 2.14 communication costs de developpement la fabrique.*.