Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development around » development round, development fund, development group
study validation » steam validation, scale validation, de validation
part development » port development, past development, smart development
validation 3.5 » validation 3.2, validation 3.1, validation 3.3
around care » around core, wound care, around age
costs part » costs per
oct data » octa data, act data, ct data
3.5 oct » 3.5 act

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

• Adding a wildcard symbol may retrieve word variants: technology study validation 3.5 oct data communications costs part development around care.*.