Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
inflation under » inflation index, inflation und, inflation der
d developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology 12 » technology 1.2, technology 1, technology 2
12 inflation » 10 inflation, 2 inflation, 3.2 inflation
under rice » under rise, under river, under risk
l afrique » en afrique
rice 2.1 » rice 3.1, rice 4.1, rice 1
paper d » paper _, paper i, paper 1

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

• Adding a wildcard symbol may retrieve word variants: technology 12 inflation under rice 2.1 communication paper d developpement l afrique.*.