Talvez deva tentar algumas variações de ortografia:
complex tris » complex tric (Expandir a Pesquisa), complex trs (Expandir a Pesquisa), complex traits (Expandir a Pesquisa)
carlos nejar » carlos negrao (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
mol complex » iol complex (Expandir a Pesquisa), mol complexes (Expandir a Pesquisa), meal complex (Expandir a Pesquisa)
nin carlos » nino carlos (Expandir a Pesquisa), otin carlos (Expandir a Pesquisa), lain carlos (Expandir a Pesquisa)
colin nee » colin anne (Expandir a Pesquisa), colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa)
tris ngoc » trinh ngoc (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), thi ngoc (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
nacl nin » nacl nano (Expandir a Pesquisa), nacl en (Expandir a Pesquisa), nacl i (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
5 mol » j mol (Expandir a Pesquisa), 1 mol (Expandir a Pesquisa), _ mol (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 combs colin nee ) or ((( 5 mol complex tris ngoc ) or ( 0.9 nacl nin carlos nejar ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs colin nee ) OR ((( 5 mol complex tris ngoc ) OR ( 0.9 nacl nin carlos nejar )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs colin nee ) or ((( 5 mol complex tris ngoc ) or ( 0.9 nacl nin carlos nejar ))))*.