Perhaps you should try some spelling variations:
"h. heat sector investments period" » "h. heat sector investment period", "h. heat sector investment periods", "h. heat sector investment series", "h. meat sector investments period", "h. health sector investments period", "h. heating sector investments period"
"h. rent greater investment costs" » "h. rent green investment costs", "h. rent related investment costs", "h. rent better investment costs", "h. rent greater investment funds", "h. rent greater investment flows", "h. rent greater investment banks"

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