Some search tips the same as for databases:
Place quotes around a phrase
"climate change"
"health insurance"
"affordable care act"
"federal money"
"federal aid"
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Use the * for truncation
environment* = environment or environments or environmental
tax* = tax or taxes or taxation
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Limit search to particular types of documents by using
site:
site:gov = documents produced/authored by the government at all levels (federal,state,local) and government-sponsored research
site:edu = documents produced/ authored/ sponsored by educational entities
site:org = organizations / associations
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