Talvez deva tentar algumas variações de ortografia:
complex connections » complex connection (Expandir a Pesquisa), complex collections (Expandir a Pesquisa), complex infections (Expandir a Pesquisa)
connections a » connections _ (Expandir a Pesquisa), connections among (Expandir a Pesquisa), connections from (Expandir a Pesquisa)
stein carlos » steil carlos (Expandir a Pesquisa), steiner carlos (Expandir a Pesquisa), stein charles (Expandir a Pesquisa)
man complex » many complex (Expandir a Pesquisa), can complex (Expandir a Pesquisa), fan complex (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
hobbs john » hobbs jean (Expandir a Pesquisa)
nacl stein » nacl thin (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
l hobbs » j hobbs (Expandir a Pesquisa), _ hobbs (Expandir a Pesquisa), m hobbs (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 hobbs john new ) or ((( _ man complex connections a ) or ( 0.9 nacl stein carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l hobbs john new ) OR ((( _ man complex connections a ) OR ( 0.9 nacl stein carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l hobbs john new ) or ((( _ man complex connections a ) or ( 0.9 nacl stein carlos nara ))))*.