Perhaps you should try some spelling variations:
"advanced mathematical geosciences" » "advanced mathematical sciences", "advanced mathematical science", "advanced mathematics geosciences", "based mathematical geosciences"
"applied mathematics science" » "applied mathematical sciences"

Try widening your search to All Fields.

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: (("applied mathematics science") OR ("advanced mathematical geosciences")).
• Removing quotes may allow a broader search: (( applied mathematics science ) or ( advanced mathematical geosciences )).
• Adding a wildcard symbol may retrieve word variants: (("applied mathematics science") or ("advanced mathematical geosciences"))*.