Perhaps you should try some spelling variations:
esaki » uesaki (Expand Search), esako (Expand Search), saki (Expand Search)
sakai » pakai (Expand Search)
sakir » shakir (Expand Search), syakir (Expand Search), sakhir (Expand Search)
sakitr » sakit (Expand Search), sakite (Expand Search)
sakil » shakil (Expand Search), sakit (Expand Search), sahil (Expand Search)
sail » csail (Expand Search), soil (Expand Search), said (Expand Search)
sako » asako (Expand Search), sato (Expand Search), sago (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "leo ((esaki OR ((sakai OR (sakir OR (sakitr OR sakitstr))) OR (sakil OR sail))) OR sako)~".
• Adding a wildcard symbol may retrieve word variants: leo ((esaki OR ((sakai OR (sakir OR (sakitr OR sakitstr))) OR (sakil OR sail))) OR sako)*.