Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
communication cost » communication costs, communication costa, communications costs
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing e » developing _, developing a, developing east
contents la » contents a, contents lead, contents map
la china » a china, la chine, la chaine
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
e africa » em africa, de africa, eu africa

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information contents la china communication cost 2.2 developing e africa.*.