Perhaps you should try some spelling variations:
population strategy » education strategy, population estimates, population structure
overall population » rural population, general population
communication cote » communication costs, communication costa, communication case
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
6 communication » 3 communication, 4 communication, de communication
strategy trade » strategic trade, strategy trust, strategy strategy
de afrique » de l'afrique, en afrique, l afrique
trade 6 » trade _, trade a, trade 4
cote le » cote les, cote de, cote la
method » methods

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

• Adding a wildcard symbol may retrieve word variants: method overall population strategy trade 6 communication cote le developpement de afrique.*.