Perhaps you should try some spelling variations:
"h. dept water investment services" » "h. dept water government services", "h. dept water treatment services", "h. dept water development services", "h. dept water investments services", "h. dept after investment services", "h. dept rates investment services", "h. melt water investment services", "h. ment water investment services", "h. peat water investment services"
"h. dept water investment choices" » "h. dept water investment costs", "h. dept water investment process", "h. dept water investments choices", "h. dept after investment choices", "h. dept rates investment choices", "h. melt water investment choices", "h. ment water investment choices", "h. peat water investment choices"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("h. dept water investment choices") OR ("h. dept water investment services"))~.
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