Perhaps you should try some spelling variations:
quantitative marketing » quantitative modeling, quantitative magnetic, quantitative imaging
international serious » international services, international religious, international settings
international serials » international trials, international materials, international services

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: ((international serious) OR (international serials)) in quantitative marketing.
• Adding a wildcard symbol may retrieve word variants: ((international serious) or (international serials)) in quantitative marketing*.