Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
investment flows » investment funds
road investment » fixed investment
kept road » kit road
kent road » kit road
end road » end old, end word

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( h. kept road investment period ) or ( h. ((kent road) OR (end road)) investment flows ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( h. kept road investment period ) OR ( h. ((kent road) OR (end road)) investment flows )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( h. kept road investment period ) or ( h. ((kent road) OR (end road)) investment flows ))".
• Adding a wildcard symbol may retrieve word variants: (( h. kept road investment period ) or ( h. ((kent road) OR (end road)) investment flows ))*.