Perhaps you should try some spelling variations:
dlco fisiologia » la fisiologia, de fisiologia
en litterature » et litterature, une litterature, la litterature
fisiologia en » fisiologia e, fisiologia del, fisiologia de
studies dlco » studies dc, studies do, studies blcoll
ratios game » ratios name, rating game, ratios case
ratios age » ratio age, ratios area, ratios case

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: "((ratios game) OR (ratios age)) studies dlco fisiologia en litterature".
• Adding a wildcard symbol may retrieve word variants: ((ratios game) OR (ratios age)) studies dlco fisiologia en litterature*.