Perhaps you should try some spelling variations:
interactions series » interaction terms, interactions between
face interactions » face interaction, market interactions, _ interactions
support strategic » support strategy, sector strategic, effort strategic
allocation model » allocation models, allocation rules, selection model
support face » support falls, support price, support since

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( support face interactions series. ) or ( support strategic allocation model. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( support face interactions series. ) OR ( support strategic allocation model. )).
• Adding a wildcard symbol may retrieve word variants: (( support face interactions series. ) or ( support strategic allocation model. ))*.