Perhaps you should try some spelling variations:
scale conservation » scalar conservation, secure conservation, whales conservation
integration theory » integration through, information theory, innovation theory
price integration » service integration, trade integration, price indexation
support scale » support stage, support state, support scaling
export price » export prices, import prices

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

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