Talvez deva tentar algumas variações de ortografia:
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
combs colgin » combs colin (Expandir a Pesquisa)
carmo carlos » cardo carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), carlo carlos (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
colgin neil » colin neil (Expandir a Pesquisa), collin neil (Expandir a Pesquisa), collins neil (Expandir a Pesquisa)
iol complex » hixl complex (Expandir a Pesquisa), msl complex (Expandir a Pesquisa), oil complex (Expandir a Pesquisa)
tran ngo » tran ngoc (Expandir a Pesquisa), tran ngon (Expandir a Pesquisa), trang ngo (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
5 iol » _ iol (Expandir a Pesquisa), 5 ion (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 colgin neil ) OR ((( 5 iol complex tran ngo ) OR ( 7.5 nacl carmo carlos nojek ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j _ combs colgin neil ) OR ((( 5 iol complex tran ngo ) OR ( 7.5 nacl carmo carlos nojek ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs colgin neil ) OR ((( 5 iol complex tran ngo ) OR ( 7.5 nacl carmo carlos nojek ))))*.