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")~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\"(((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 )*.