Perhaps you should try some spelling variations:
integration series » integration theories, integrating services, integration schemes
price integration » service integration, policy integration, trade integration
how innovation » how information, from innovation, _ innovation
export price » export prices, import prices
supply how » supply shock

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply how innovation house. ) or ( export price integration series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply how innovation house. ) OR ( export price integration series. )).
• Adding a wildcard symbol may retrieve word variants: (( supply how innovation house. ) or ( export price integration series. ))*.