Perhaps you should try some spelling variations:
"f2: fun and illustration" » "f2: fund and illustration" (Expand Search), "f2: fun and illustrated" (Expand Search), "f2: fun and illustrates" (Expand Search)
"f2: fun and illumination" » "f2: fund and illumination" (Expand Search)
"f2: fun and illustrate" » "f2: fund and illustrate" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("f2: fun and illustration") OR ("f2: fun and illumination"))) OR ("f2: fun and illustrate"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"f2: fun and illustration\") OR (\"f2: fun and illumination\"))) OR (\"f2: fun and illustrate\"))".
• Removing quotes may allow a broader search: (((( f2: fun and illustration ) OR ( f2: fun and illumination ))) OR ( f2: fun and illustrate )).
• Adding a wildcard symbol may retrieve word variants: (((("f2: fun and illustration") OR ("f2: fun and illumination"))) OR ("f2: fun and illustrate"))*.