Perhaps you should try some spelling variations:
alterations conditional » interactions conditional, alterations nutritional, generation conditional
introduction conceptual » introduction concepts
methods session » methods section
session soft » session short, session ofthe, session state
drinks » drink

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((alterations conditional) or (introduction conceptual)) methods session soft drinks~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((alterations conditional) OR (introduction conceptual)) methods session soft drinks.
• Adding a wildcard symbol may retrieve word variants: ((alterations conditional) or (introduction conceptual)) methods session soft drinks*.