Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
technology under » technology gender, technology index, technologies under
de developpement » sme development
developpement de » developpement des, developpement durable
under inflation » der inflation, und inflation, counter inflation
de afrique » de l'afrique, en afrique, l afrique
price 3.1 » prices 3.1, rice 3.1, price 3.2
modes de » mondes de, mode de, modeles de

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

• Adding a wildcard symbol may retrieve word variants: technology under inflation _ price 3.1 communication modes de developpement de afrique.*.