Perhaps you should try some spelling variations:
investment period » investment series, investment policy, adjustment period
rogers investment » drivers investment, does investment, roads investment
notes investment » does investment, rates investment, forest investment
kent rogers » kent robert, henry rogers
kent notes » agent notes, end notes, text notes

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: (( h. kent notes investment period ) OR ( h. kent rogers investment barriers ))~.
• Adding a wildcard symbol may retrieve word variants: (( h. kent notes investment period ) or ( h. kent rogers investment barriers ))*.