Talvez deva tentar algumas variações de ortografia:
combs choplin » combs colin (Expandir a Pesquisa)
choplin neil » chaplin neil (Expandir a Pesquisa), coplan neil (Expandir a Pesquisa), colin neil (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carmo carlos » cardo carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), carlo carlos (Expandir a Pesquisa)
carlos nunes » carlos nunez (Expandir a Pesquisa), santos nunes (Expandir a Pesquisa)
mol complex » msl complex (Expandir a Pesquisa), mll complex (Expandir a Pesquisa), iol complex (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
5 mol » j mol (Expandir a Pesquisa), 1 mol (Expandir a Pesquisa), _ mol (Expandir a Pesquisa)
ngoc » ngo (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 choplin neil ) or ((( 5 mol complex tran ngoc ) or ( 7.5 nacl carmo carlos nunes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs choplin neil ) OR ((( 5 mol complex tran ngoc ) OR ( 7.5 nacl carmo carlos nunes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs choplin neil ) or ((( 5 mol complex tran ngoc ) or ( 7.5 nacl carmo carlos nunes ))))*.