Perhaps you should try some spelling variations:
"h. kent related investment demand" » "h. kent private investment demand", "h. kent estate investment demand", "h. kent road investment demand", "h. kent related investor demand", "h. event related investment demand", "h. heat related investment demand", "h. events related investment demand"
"h. rent water investment period" » "h. rent water investment series", "h. rent water investment policy", "h. rent water adjustment period", "h. rent water investments period", "h. rent after investment period", "h. rent rates investment period", "h. ment water investment period", "h. melt water investment period", "h. peat water investment period"

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