Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
technology asia » biotechnology asia, technology africa, technology a
asia education » asian education, asia's education, basic education
education rate » education relate, education state, education raise
de afrique » de l'afrique, en afrique, l afrique
rate have » rates have
have 4.1 » have 9.1, have 5.3

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

• Adding a wildcard symbol may retrieve word variants: technology asia education rate have 4.1 communication costs _ developpement de afrique.*.