Talvez deva tentar algumas variações de ortografia:
coomber jason » coombes jason (Expandir a Pesquisa), cooper jason (Expandir a Pesquisa), coombs jason (Expandir a Pesquisa)
tail complex » oil complex (Expandir a Pesquisa), pal complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
caso4 carlos » caso carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), casal carlos (Expandir a Pesquisa)
nacl caso4 » nacl na2so4 (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
l coomber » l cooper (Expandir a Pesquisa), k coombes (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
jason bs » jason bos (Expandir a Pesquisa), jason b (Expandir a Pesquisa), jason bt (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (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 coomber jason bs ) OR ((( e tail complex than ngoc ) OR ( 7.5 nacl caso4 carlos noa ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j l coomber jason bs ) OR ((( e tail complex than ngoc ) OR ( 7.5 nacl caso4 carlos noa ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l coomber jason bs ) OR ((( e tail complex than ngoc ) OR ( 7.5 nacl caso4 carlos noa ))))*.