Talvez deva tentar algumas variações de ortografia:
present mutation » prevent mutations (Expandir a Pesquisa), recent mutation (Expandir a Pesquisa), present duration (Expandir a Pesquisa)
tempo derived » tem derived (Expandir a Pesquisa), efemp1 derived (Expandir a Pesquisa), stereo derived (Expandir a Pesquisa)
mendez nerve » mendez neri (Expandir a Pesquisa), mendez narvaez (Expandir a Pesquisa), mendez nora (Expandir a Pesquisa)
derived cat » derived cast (Expandir a Pesquisa), derived car (Expandir a Pesquisa), derived ca (Expandir a Pesquisa)
j present » 3 present (Expandir a Pesquisa), 1 present (Expandir a Pesquisa), 6 present (Expandir a Pesquisa)
j mendez » a mendez (Expandir a Pesquisa)
case dis » case disc (Expandir a Pesquisa), case di (Expandir a Pesquisa), case does (Expandir a Pesquisa)
cat dis » cat did (Expandir a Pesquisa), cat diets (Expandir a Pesquisa), cat diet (Expandir a Pesquisa)
c diet » c dietz (Expandir a Pesquisa), c diez (Expandir a Pesquisa), c dieb (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: (( _ tempo derived cat dis ) or ((( j present mutation c diet ) or ( j mendez nerve case dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ tempo derived cat dis ) OR ((( j present mutation c diet ) OR ( j mendez nerve case dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ tempo derived cat dis ) or ((( j present mutation c diet ) or ( j mendez nerve case dis ))))*.