Talvez deva tentar algumas variações de ortografia:
boys develop » loss develop (Expandir a Pesquisa), locus develop (Expandir a Pesquisa), axons develop (Expandir a Pesquisa)
develop them » develop type (Expandir a Pesquisa), develop age (Expandir a Pesquisa)
levels other » levels another (Expandir a Pesquisa), levels rather (Expandir a Pesquisa), levels over (Expandir a Pesquisa)
binds level » binax level (Expandir a Pesquisa), binge level (Expandir a Pesquisa), binds several (Expandir a Pesquisa)
level other » eleven other (Expandir a Pesquisa), level rather (Expandir a Pesquisa), level over (Expandir a Pesquisa)
dose levels » noise levels (Expandir a Pesquisa)
drug binds » drugs binds (Expandir a Pesquisa), drug blends (Expandir a Pesquisa), drug brings (Expandir a Pesquisa)
drug boys » drug book (Expandir a Pesquisa), drug bay (Expandir a Pesquisa), drug box (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 boys develop them ) or ((( drug binds level other ) or ( drug dose levels other ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( drug boys develop them ) OR ((( drug binds level other ) OR ( drug dose levels other ))))*.