Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
face communication » voice communication, de communication, time communication
developed contexts » developed content, development contexts, developing contexts
contexts affected » contexts selected, countries affected, context selected
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
information ai » information a, information aa, information asia
11.3 developed » 11.4 developed, 15.4 developed, 12.4 developed
cost 11.3 » cost 11.5, cost 4.1.3, costs 11.1
ai face » a face, i face, die face
ai ai » ai a, ii ai, vi ai

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information ai ai face communication cost 11.3 developed contexts affected.*.