Perhaps you should try some spelling variations:
communication model » communication media
level communication » level communications, cell communication, event communication
development matters » development patterns, development partners, development centers
scale development » estate development, trade development, sme development
technology und » technology fund, technology used, technology use
und relative » _ relative, die relative
relative ipr » relative air, relative risk, relative size
polish level » policy level, polish legal, english level
model scale » models scale, modest scale, model state
matters key » makers key, matters new, matters why
ipr polish » ipr policy, war polish

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

• Adding a wildcard symbol may retrieve word variants: technology und relative ipr polish level communication model scale development matters key.*.