Perhaps you should try some spelling variations:
recursions » recessions, recursos, excursions, recursives, reversions, recursoss
diversion » version, division, diversity
diversions » versions, divisions, diversitys, dimensions
aversion » version
recursion » recursive, reversion, recursos
recession » regression

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((recursions or ((diversion or diversions) or aversion)) or (recursion or recession))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((recursions OR ((diversion OR diversions) OR aversion)) OR (recursion OR recession)).
• Adding a wildcard symbol may retrieve word variants: ((recursions or ((diversion or diversions) or aversion)) or (recursion or recession))*.