Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
del developpement » de developpement, des developpements, le developpement
overview section » overview social
de communication » mobile communication, online communication
developpement il » developpement de, developpement et, developpement du
section aid » section i, section ii, section iii
il afrique » l afrique, en afrique
costa del » costo del, costa e, cose del
aid rade » aid trade, aid case, aid game
rade de » grade der, trade die, garde de

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

• Adding a wildcard symbol may retrieve word variants: methods overview section aid rade de communication costa del developpement il afrique.*.