Talvez deva tentar algumas variações de ortografia:
complex stroke » completed stroke (Expandir a Pesquisa), complex stress (Expandir a Pesquisa), complex story (Expandir a Pesquisa)
metil complex » metal complex (Expandir a Pesquisa), medial complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa)
charles nora » charles n (Expandir a Pesquisa)
stroke tony » stroke ten (Expandir a Pesquisa), stroke tns (Expandir a Pesquisa), stroke tomsk (Expandir a Pesquisa)
nacl diehl » nacl diet (Expandir a Pesquisa), marcel diehl (Expandir a Pesquisa)
combs con » combs colin (Expandir a Pesquisa), combs john (Expandir a Pesquisa), combs c (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
con nb » con nd (Expandir a Pesquisa), con ni (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 con nb ) OR ((( 5 metil complex stroke tony ) OR ( 0.9 nacl diehl charles nora ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l combs con nb ) OR ((( 5 metil complex stroke tony ) OR ( 0.9 nacl diehl charles nora ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs con nb ) OR ((( 5 metil complex stroke tony ) OR ( 0.9 nacl diehl charles nora ))))*.