Talvez deva tentar algumas variações de ortografia:
diets developed » sets developed (Expandir a Pesquisa), diabetes developed (Expandir a Pesquisa), rickets developed (Expandir a Pesquisa)
developed thyme » developed time (Expandir a Pesquisa), developed enzyme (Expandir a Pesquisa), developed thin (Expandir a Pesquisa)
alone level » clone level (Expandir a Pesquisa), bone level (Expandir a Pesquisa), one level (Expandir a Pesquisa)
dose levels » noise levels (Expandir a Pesquisa)
levels ther » levels other (Expandir a Pesquisa), levels rather (Expandir a Pesquisa), levels three (Expandir a Pesquisa)
drug diets » drug diet (Expandir a Pesquisa), drug does (Expandir a Pesquisa), drug disease (Expandir a Pesquisa)
level ther » level theory (Expandir a Pesquisa), level rather (Expandir a Pesquisa), levels other (Expandir a Pesquisa)
drug dose » drug dosage (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: (( drug diets developed thyme ) or ((( drug alone level ther ) or ( drug dose levels ther ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( drug diets developed thyme ) OR ((( drug alone level ther ) OR ( drug dose levels ther )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( drug diets developed thyme ) or ((( drug alone level ther ) or ( drug dose levels ther ))))*.