Talvez deva tentar algumas variações de ortografia:
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
complex tale » complex task (Expandir a Pesquisa), complex time (Expandir a Pesquisa), complex tap (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
knot carlos » knopf carlos (Expandir a Pesquisa), enout carlos (Expandir a Pesquisa), knecht carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
john neetu » john reetu (Expandir a Pesquisa), john neetha (Expandir a Pesquisa), john neena (Expandir a Pesquisa)
nacl knot » nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa), nacl npt (Expandir a Pesquisa)
tale noa » tal noa (Expandir a Pesquisa), tale na (Expandir a Pesquisa), tale a (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (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 _ combs john neetu ) OR ((( 5 methyl complex tale noa ) OR ( 3.5 nacl knot carlos rojek ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs john neetu ) OR ((( 5 methyl complex tale noa ) OR ( 3.5 nacl knot carlos rojek ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john neetu ) OR ((( 5 methyl complex tale noa ) OR ( 3.5 nacl knot carlos rojek ))))*.