Perhaps you should try some spelling variations:
investigative » investigating, investigates, investigated
investigations » investigating, investigates, investigatings
investigate » investigates, investigating
investigation » investigating
journalism" » journalists"
journals" » journal"

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

• Performing a fuzzy search may retrieve terms with similar spellings: "(((investigative or investigations) or investigate) or investigation) (journalism" OR journals")~.
• If you are trying to use Boolean operators, they must be ALL CAPS: "(((investigative OR investigations) OR investigate) OR investigation) (journalism" OR journals").
• Removing quotes may allow a broader search: (((investigative or investigations) or investigate) or investigation) (journalism OR journals ).
• Adding a wildcard symbol may retrieve word variants: "(((investigative or investigations) or investigate) or investigation) (journalism" OR journals")*.