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The exact phrase 'war and peace' "war and peace"
Both words 'law' and 'reform' law   AND  reform
Either or both words 'law' or 'reform' law   OR  reform
Either words 'law' or 'reform', not both law   XOR   reform
The word 'law', not both 'law' and 'reform' law   NOT   reform
Words beginning with trade   [e.g. 'trade', 'trader', 'tradesman', 'trade-related' etc.] trade*
The terms 'science' and 'tertiary education' (science   AND   "tertiary education")
The term 'human rights' in a subject field subject:"human rights"
The name 'John Smith' in an author field author:john smith
The words 'act', 'ant', 'apt', 'art' a?t
'draft' or 'draught' ; 'colorful' or 'colourful' dra*3t   ;   colo*rful
The words 'law' and 'reform' immediately adjacent in any order law   %   reform
The words 'law' and 'reform' immediately adjacent and in this order law   !   reform
The word 'reform' within 10 words of 'law' in any order reform   %10   law
The word 'reform' within 10 words of 'law' and in this order reform   !10   law
The word 'reform' within 10 words of 'law' in this order in the 'Title' field title:law   !10   reform
Records with a publication year of 2010, 2011 or 2012 py:2010-2012
Records with a publication year of 2008 and later py:>=2008
Records without a publication year of 2009 py:<>2009
'Fuzzy' variations of the word 'realise'   [e.g. 'realise', 'realize', 'reality' etc.] @realise