Talvez deva tentar algumas variações de ortografia:
complex connects » complex concepts (Expandir a Pesquisa), complex connection (Expandir a Pesquisa), complex confers (Expandir a Pesquisa)
steel complex » stent complex (Expandir a Pesquisa), steel compared (Expandir a Pesquisa), novel complex (Expandir a Pesquisa)
klein carlos » otin carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), camps johan (Expandir a Pesquisa)
connects a » connects _ (Expandir a Pesquisa), connects dna (Expandir a Pesquisa), connections a (Expandir a Pesquisa)
nucl klein » gul klein (Expandir a Pesquisa), manuel klein (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
3 nucl » 3 null (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 m comps john new ) or ((( _ steel complex connects a ) or ( 3 nucl klein carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps john new ) OR ((( _ steel complex connects a ) OR ( 3 nucl klein carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps john new ) or ((( _ steel complex connects a ) or ( 3 nucl klein carlos nara ))))*.