Perhaps you should try some spelling variations:
transformation based » transformation case, transformation a, transformation als
communications costs » communication costs, communications _
time communications » time communication, type communications, wartime communications
developing seas » developing areas, developing east, developing self
a developing » a development
based deep » based debt, fused deep
deep time » deep dive
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformation based deep time communications costs a developing seas areas.*.