Perhaps you should try some spelling variations:
communication model » communication media
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement la » developpement de, developpement et, developpement du
technology high » technology rights, technology how, technology help
a developpement » au developpement, de developpement, le developpement
inflation good » inflation gopi, inflation gerold, inflation gross
good price » goods price, food price, goods prices
la afrique » l afrique, la fabrique, en afrique
price 4.1 » price 4.4, rice 4.1, price 4.3
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technology high inflation good price 4.1 communication model a developpement la afrique.*.