Perhaps you should try some spelling variations:
theories development » theory development, fisheries development, calorie development
de communication » mobile communication, online communication
development mode » development model, development models, development module
technology 2.2 » technology _, technology 1, technology 3
costs theories » lists theorie, concepts theories, systems theories
2.2 relative » 3.3 relative, _ relative, die relative
relative sea » relative _
sea prices » tea prices, set prices, real prices
mode labor » male labor, core labor, home labor
prices de » prices does, prices _, prices a

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 relative sea prices de communication costs theories development mode labor.*.