Talvez deva tentar algumas variações de ortografia:
drives system » drivers system (Expandir a Pesquisa), drives systems (Expandir a Pesquisa), drive system (Expandir a Pesquisa)
delay derived » delays derived (Expandir a Pesquisa), delay driven (Expandir a Pesquisa), display derived (Expandir a Pesquisa)
belt drives » belt drive (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
mehta nee » mehta neel (Expandir a Pesquisa), mehta neena (Expandir a Pesquisa), mehta neeti (Expandir a Pesquisa)
nee pant » nee jang (Expandir a Pesquisa)
pant dis » pant disha (Expandir a Pesquisa), pant d (Expandir a Pesquisa), pant i (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (Expandir a Pesquisa)
_ delay » _ delayed (Expandir a Pesquisa)
mast id » mast und (Expandir a Pesquisa)
i belt » ji belt (Expandir a Pesquisa), i bell (Expandir a Pesquisa), i belo (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: (( i belt drives system dcs ) or ((( j mehta nee pant dis ) or ( _ delay derived mast id ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i belt drives system dcs ) OR ((( j mehta nee pant dis ) OR ( _ delay derived mast id )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i belt drives system dcs ) or ((( j mehta nee pant dis ) or ( _ delay derived mast id ))))*.