Talvez deva tentar algumas variações de ortografia:
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), emilio carlos (Expandir a Pesquisa)
coombes john » coombs john (Expandir a Pesquisa), coombes jason (Expandir a Pesquisa), forbes john (Expandir a Pesquisa)
complex trs » complex tris (Expandir a Pesquisa), complex tears (Expandir a Pesquisa), complex trans (Expandir a Pesquisa)
john agnew » john bagnell (Expandir a Pesquisa)
carlos now » carlos noa (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
l coombes » k coombes (Expandir a Pesquisa), l coomber (Expandir a Pesquisa), m coombes (Expandir a Pesquisa)
trs ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
5 basal » i basal (Expandir a Pesquisa), b basal (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l coombes john agnew ) OR ((( 5 basal complex trs ngoc ) OR ( 3.5 nacl semino carlos now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombes john agnew ) OR ((( 5 basal complex trs ngoc ) OR ( 3.5 nacl semino carlos now ))))*.