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

• Performing a fuzzy search may retrieve terms with similar spellings: scheduling with time-testing effects and rate-((modeling activities) OR (model activities))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: scheduling with time-testing effects AND rate-((modeling activities) OR (model activities)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "scheduling with time-testing effects and rate-((modeling activities) OR (model activities))".
• Adding a wildcard symbol may retrieve word variants: scheduling with time-testing effects and rate-((modeling activities) OR (model activities))*.