Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development cultural » development center, development country, development centers
les communications » laos communications, nps communications, u.s communications
port development » export development, airport development, forest development
risk relations » risk regulations, milk relations, risk reductions
cultural labor » cultural taboos, cultural atom, cultural lag
polity les » policy less, poly les
costs port » costs part, costs export, costs short

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

• Adding a wildcard symbol may retrieve word variants: technology risk relations _ polity les communications costs port development cultural labor.*.