Perhaps you should try some spelling variations:
"international association for mathematical science" » "international cooperation for mathematical science", "international society for mathematical science", "international association for mathematical sciences", "international association for mathematical geosciences", "international association for mathematical finance"
"international association for mathematics science" » "international cooperation for mathematics science", "international society for mathematics science", "international association for mathematical sciences"

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: "((\"international association for mathematical science\") OR (\"international association for mathematics science\"))".
• Removing quotes may allow a broader search: (( international association for mathematical science ) OR ( international association for mathematics science )).
• Adding a wildcard symbol may retrieve word variants: (("international association for mathematical science") OR ("international association for mathematics science"))*.