Perhaps you should try some spelling variations:
industrial investment » industrial investments, industry investment, initial investment
investment forestiers » investment treaties, investment forecasting, investment foreign
development center » development case
forestiers series » frontiers series, forestiers des, formations series
center series » century series, gender series, center studies

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( industrial development center series ) OR ( industrial investment forestiers series ))~.
• Adding a wildcard symbol may retrieve word variants: (( industrial development center series ) or ( industrial investment forestiers series ))*.