Talvez deva tentar algumas variações de ortografia:
regina carlson » regina caruso (Expandir a Pesquisa), regina cardoso (Expandir a Pesquisa), regina carla (Expandir a Pesquisa)
complex tail » complex trait (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa)
carlson josh » carlson joseph (Expandir a Pesquisa), carlson john (Expandir a Pesquisa), carlson j (Expandir a Pesquisa)
nacl regina » nacken regina (Expandir a Pesquisa)
john watts » john watt (Expandir a Pesquisa), john waters (Expandir a Pesquisa)
i cooper » _ cooper (Expandir a Pesquisa)
5 apical » _ apical (Expandir a Pesquisa), 1 apical (Expandir a Pesquisa), l apical (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
tail do » tail co (Expandir a Pesquisa), tail does (Expandir a Pesquisa), tail dose (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 watts ) or ((( 5 apical complex tail do ) or ( 7.5 nacl regina carlson josh ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j i cooper john watts ) OR ((( 5 apical complex tail do ) OR ( 7.5 nacl regina carlson josh )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j i cooper john watts ) or ((( 5 apical complex tail do ) or ( 7.5 nacl regina carlson josh ))))*.