Talvez deva tentar algumas variações de ortografia:
semino carlos » serrano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), solano carlos (Expandir a Pesquisa)
complex clear » complex clean (Expandir a Pesquisa), complex nuclear (Expandir a Pesquisa), complex cleared (Expandir a Pesquisa)
htt complex » hat complex (Expandir a Pesquisa), ttt complex (Expandir a Pesquisa), host complex (Expandir a Pesquisa)
carlos nora » carlos mora (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa)
colin new » coli new (Expandir a Pesquisa), colic new (Expandir a Pesquisa), colon new (Expandir a Pesquisa)
clear now » clear non (Expandir a Pesquisa), clearly now (Expandir a Pesquisa), clearer now (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
5 htt » 5 ht3 (Expandir a Pesquisa), 5 ht2 (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 e combs colin new ) OR ((( 5 htt complex clear now ) OR ( 7.5 nacl semino carlos nora ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j e combs colin new ) OR ((( 5 htt complex clear now ) OR ( 7.5 nacl semino carlos nora ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs colin new ) OR ((( 5 htt complex clear now ) OR ( 7.5 nacl semino carlos nora ))))*.