Talvez deva tentar algumas variações de ortografia:
ligands coumarin » ligandos cumarina (Expandir a Pesquisa), ligands comparing (Expandir a Pesquisa), ligands comparison (Expandir a Pesquisa)
nucl comolex » nuclei complex (Expandir a Pesquisa)
comolex case » complex case (Expandir a Pesquisa), complex cases (Expandir a Pesquisa), complex cause (Expandir a Pesquisa)
3d ligands » 3d ligand (Expandir a Pesquisa), d ligands (Expandir a Pesquisa), pd ligands (Expandir a Pesquisa)
chimp can » chip can (Expandir a Pesquisa), chirp can (Expandir a Pesquisa), camp can (Expandir a Pesquisa)
walls nee » walls new (Expandir a Pesquisa), walls anne (Expandir a Pesquisa), walls near (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
l chimp » _ chimp (Expandir a Pesquisa), l chip (Expandir a Pesquisa), _ jchimp (Expandir a Pesquisa)
_ nucl » _ nucle (Expandir a Pesquisa), _ nuck (Expandir a Pesquisa), _ nuce (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 chimp can new ) or ((( _ nucl comolex case now ) or ( 3d ligands coumarin walls nee ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l chimp can new ) OR ((( _ nucl comolex case now ) OR ( 3d ligands coumarin walls nee )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l chimp can new ) or ((( _ nucl comolex case now ) or ( 3d ligands coumarin walls nee ))))*.