Perhaps you should try some spelling variations:
investment series » investment services, investment barriers, investment treaties
fixed investment » direct investment
based investment » best investment, bond investment, related investment
result based » results based, report based, results case
end fixed » und fixed, head fixed, land fixed

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. result based investment incentives ) or ( h. end fixed investment series ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. result based investment incentives ) OR ( h. end fixed investment series )).
• Adding a wildcard symbol may retrieve word variants: (( h. result based investment incentives ) or ( h. end fixed investment series ))*.