Perhaps you should try some spelling variations:
"h. agent based investment period" » "h. agent based investment series", "h. agent based investment policy", "h. agent based adjustment period", "h. agent fixed investment period", "h. agent best investment period", "h. agent bond investment period"
"h. kept better investment ties" » "h. kept sector investment ties", "h. kept sector investments ties", "h. kept term investment ties", "h. kept better investment series", "h. kept better investment trends", "h. kept better investment trust", "h. get better investment ties", "h. eat better investment ties"

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. kept better investment ties") OR ("h. agent based investment period"))~.
• Removing quotes may allow a broader search: (( h. kept better investment ties ) or ( h. agent based investment period ))~.
• Adding a wildcard symbol may retrieve word variants: (("h. kept better investment ties") or ("h. agent based investment period"))*.