Talvez deva tentar algumas variações de ortografia:
tail complex » oil complex (Expandir a Pesquisa), atrial complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
complex can » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa), complex cell (Expandir a Pesquisa)
carlos node » carlos noda (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos nodal (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john agnew » john bagnell (Expandir a Pesquisa)
p carlos » p cardoso (Expandir a Pesquisa), p carpes (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
can ngo » can ngoc (Expandir a Pesquisa), can ngos (Expandir a Pesquisa), canh ngo (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
nacl p » nacl ph (Expandir a Pesquisa), nacl _ (Expandir a Pesquisa), nacl a (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j l combs john agnew ) OR ((( a tail complex can ngo ) OR ( 3 nacl p carlos node ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs john agnew ) OR ((( a tail complex can ngo ) OR ( 3 nacl p carlos node ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs john agnew ) OR ((( a tail complex can ngo ) OR ( 3 nacl p carlos node ))))*.