Talvez deva tentar algumas variações de ortografia:
central complex » several complex (Expandir a Pesquisa)
complex times » complex time (Expandir a Pesquisa), complex tones (Expandir a Pesquisa), complex tics (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos yoel » carlos joel (Expandir a Pesquisa), carlos noel (Expandir a Pesquisa), carlos hoelz (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), camps johan (Expandir a Pesquisa)
15 central » 5 central (Expandir a Pesquisa), p145 central (Expandir a Pesquisa), 15 centros (Expandir a Pesquisa)
times ngoc » times now (Expandir a Pesquisa)
john noel » john joel (Expandir a Pesquisa), john nigel (Expandir a Pesquisa), john neil (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
l comps » m comps (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 comps john noel ) OR ((( 15 central complex times ngoc ) OR ( 0.9 nacl nano carlos yoel ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l comps john noel ) OR ((( 15 central complex times ngoc ) OR ( 0.9 nacl nano carlos yoel ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps john noel ) OR ((( 15 central complex times ngoc ) OR ( 0.9 nacl nano carlos yoel ))))*.