Perhaps you should try some spelling variations:
"h. heat related investment services" » "h. heat related treatment services", "h. heat related investment choices", "h. heat related development services", "h. heat private investment services", "h. heat estate investment services", "h. heat road investment services", "h. health related investment services", "h. heat rate investment services", "h. heat rates investment services"
"h. rent baker government services" » "h. rent baker government securities", "h. rent water government services", "h. rent better government services", "h. rent make governments services"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("h. heat related investment services") OR ("h. rent baker government services"))~.
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