Talvez deva tentar algumas variações de ortografia:
boyd compared » boy compared (Expandir a Pesquisa), boys compared (Expandir a Pesquisa), blood compared (Expandir a Pesquisa)
large complex » large sample (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
complex law » complex low (Expandir a Pesquisa), complex lag (Expandir a Pesquisa), complex la (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), camp can (Expandir a Pesquisa), clamp can (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
law netw » law new (Expandir a Pesquisa), law note (Expandir a Pesquisa), law need (Expandir a Pesquisa)
j large » j larsen (Expandir a Pesquisa), j larner (Expandir a Pesquisa), j larrey (Expandir a Pesquisa)
nat » natl (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( _ nat chimp can near ) OR ( j boyd compared can newts ))) OR ( j large complex law netw ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ nat chimp can near ) OR ( j boyd compared can newts ))) OR ( j large complex law netw ))*.