Talvez deva tentar algumas variações de ortografia:
cranial serve » cranial nerve (Expandir a Pesquisa), cranial nerves (Expandir a Pesquisa), cranial shape (Expandir a Pesquisa)
crespo ferra » crespo guerra (Expandir a Pesquisa), crespo ferrer (Expandir a Pesquisa), crespo fierro (Expandir a Pesquisa)
detect novel » detect non (Expandir a Pesquisa)
novel flap » novel flat (Expandir a Pesquisa), novel flame (Expandir a Pesquisa), novel flash (Expandir a Pesquisa)
flap diets » flap does (Expandir a Pesquisa), flap dieap (Expandir a Pesquisa), flap diep (Expandir a Pesquisa)
serve cyst » nerve cyst (Expandir a Pesquisa)
j cranial » do cranial (Expandir a Pesquisa)
j crespo » l crespo (Expandir a Pesquisa), c crespo (Expandir a Pesquisa)
j detect » je detect (Expandir a Pesquisa), _ detect (Expandir a Pesquisa), 2 detect (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 crespo ferra cyst due ) OR ((( j detect novel flap diets ) OR ( j cranial serve cyst due ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j crespo ferra cyst due ) OR ((( j detect novel flap diets ) OR ( j cranial serve cyst due ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j crespo ferra cyst due ) OR ((( j detect novel flap diets ) OR ( j cranial serve cyst due ))))*.