Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
cost relationship » close relationship, closer relationship, robust relationship
del communication » cell communication, real communication, cell communications
clear development » clean development, clean developoment, car development
technology cost » technology case, technology can, technology choice
relationship 22 » relationship 2, relationship 4.2, relationship 7.2
costa clear » costs clear, crystal clear
crisis del » crisis desde
22 crisis » 2.2 crisis, 2 crisis, 12 crisis

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

• Adding a wildcard symbol may retrieve word variants: technology cost relationship 22 crisis del communication costa clear development _ artic.*.