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

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

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