Perhaps you should try some spelling variations:
"advanced in chemical studies" » "advanced in clinical studies", "advanced in classical studies", "advanced in biblical studies"
"advanced in biochemical studies" » "advanced in bioclinical studies", "advanced in bioclassical studies", "advanced in biobiblical studies"

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: "((\"advanced in chemical studies\") OR (\"advanced in biochemical studies\"))".
• Removing quotes may allow a broader search: (( advanced in chemical studies ) OR ( advanced in biochemical studies )).
• Adding a wildcard symbol may retrieve word variants: (("advanced in chemical studies") OR ("advanced in biochemical studies"))*.