Talvez deva tentar algumas variações de ortografia:
repeated surveys » repeated stress (Expandir a Pesquisa), reported survey (Expandir a Pesquisa), repeated sprints (Expandir a Pesquisa)
surveys van » surveys can (Expandir a Pesquisa), surveys vacs (Expandir a Pesquisa), surveys a (Expandir a Pesquisa)
gel nervous » get nervous (Expandir a Pesquisa), gut nervous (Expandir a Pesquisa), new nervous (Expandir a Pesquisa)
system dias » system dan (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system dcus (Expandir a Pesquisa)
1 repeated » m repeated (Expandir a Pesquisa), ii repeated (Expandir a Pesquisa), 1 repeats (Expandir a Pesquisa)
best serve » best served (Expandir a Pesquisa), best steve (Expandir a Pesquisa), best observed (Expandir a Pesquisa)
serve cyst » nerve cyst (Expandir a Pesquisa)
cyst dis » cyst due (Expandir a Pesquisa), cyst d (Expandir a Pesquisa)
van dis » van die (Expandir a Pesquisa), van diest (Expandir a Pesquisa), van dijk (Expandir a Pesquisa)
i gel » _ gel (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: (( 1 repeated surveys van dis ) or ((( j best serve cyst dis ) or ( i gel nervous system dias ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 1 repeated surveys van dis ) OR ((( j best serve cyst dis ) OR ( i gel nervous system dias )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 1 repeated surveys van dis ) or ((( j best serve cyst dis ) or ( i gel nervous system dias ))))*.