Perhaps you should try some spelling variations:
international treaties » international relations, international trade, international agencies
operational management » operations management, international management, educational management
international river » international rice, international poverty, international reserve
tqm journal » home journal

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: tqm journal : the ((international river) OR (international treaties)) of operational management,~.
• Adding a wildcard symbol may retrieve word variants: tqm journal : the ((international river) or (international treaties)) of operational management,*.