Perhaps you should try some spelling variations:
based receptive » based preventive, based reflective, based relative
receptive index » relative index, perception index, predictive index
index studies » india studies, gender studies, andean studies
code based » codes based, mode based, diode based
code case » node case, ode case, made case

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

• Performing a fuzzy search may retrieve terms with similar spellings: commercial ((code case) OR (code based)) based receptive index studies.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "commercial ((code case) OR (code based)) based receptive index studies.*".