Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
der developpement » de developpement, des developpements, leur developpement
technology rapid » technology rate, technology road, technology trap
rapid population » world population
population under » population center, population fund, population de
developpement en » developpement et, developpement des, developpement de
under rice » under rise, under river, under risk
rice 3.3 » rice 3.1, rice 2.1, rice 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology rapid population under rice 3.3 communication phase der developpement en afrique.*.