Talvez deva tentar algumas variações de ortografia:
semino carlson » semino carlos (Expandir a Pesquisa), regina carlson (Expandir a Pesquisa), emily carlson (Expandir a Pesquisa)
complex thin » complex than (Expandir a Pesquisa), complex within (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlson josh » carlson joseph (Expandir a Pesquisa), carlson john (Expandir a Pesquisa), carlson j (Expandir a Pesquisa)
pan complex » pana complex (Expandir a Pesquisa), can complex (Expandir a Pesquisa), fan complex (Expandir a Pesquisa)
john potts » john potter (Expandir a Pesquisa), john pote (Expandir a Pesquisa), john watts (Expandir a Pesquisa)
i cooper » _ cooper (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
thin do » thin cdo (Expandir a Pesquisa), think do (Expandir a Pesquisa), thin co (Expandir a Pesquisa)
_ pan » _ pay (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 i cooper john potts ) or ((( _ pan complex thin do ) or ( 7.5 nacl semino carlson josh ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j i cooper john potts ) OR ((( _ pan complex thin do ) OR ( 7.5 nacl semino carlson josh )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j i cooper john potts ) or ((( _ pan complex thin do ) or ( 7.5 nacl semino carlson josh ))))*.