Perhaps you should try some spelling variations:
online species » marine species, online spiel, online suppliers
online series » online services, online service, online sales
der institut » der institute, des institut, dlr institute
dem institut » des institut, das institut, im institut
fur deutsche » der deutsche, der deutschen, die deutsche

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

• If you are trying to use Boolean operators, they must be ALL CAPS: jahrbuch ((der institut) OR (dem institut)) fur deutsche ((online species) OR (online series))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "jahrbuch ((der institut) or (dem institut)) fur deutsche ((online species) OR (online series))~".
• Adding a wildcard symbol may retrieve word variants: jahrbuch ((der institut) or (dem institut)) fur deutsche ((online species) OR (online series))*.