Talvez deva tentar algumas variações de ortografia:
complex trinh » complex thin (Expandir a Pesquisa), complex trial (Expandir a Pesquisa), complex trans (Expandir a Pesquisa)
john porter » john peter (Expandir a Pesquisa)
tal complex » al complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa), fetal complex (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
trinh ngoc » trinh quoc (Expandir a Pesquisa), dinh ngoc (Expandir a Pesquisa), minh ngoc (Expandir a Pesquisa)
carlos now » carlos noa (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
l coombs » l coombes (Expandir a Pesquisa), g coombs (Expandir a Pesquisa), _ coombs (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
_ tal » _ tau (Expandir a Pesquisa), _ tax (Expandir a Pesquisa), _ tat (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 l coombs john porter ) OR ((( _ tal complex trinh ngoc ) OR ( 7.5 nacl nino carlos now ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l coombs john porter ) OR ((( _ tal complex trinh ngoc ) OR ( 7.5 nacl nino carlos now ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coombs john porter ) OR ((( _ tal complex trinh ngoc ) OR ( 7.5 nacl nino carlos now ))))*.