Perhaps you should try some spelling variations:
"video tracking" » "video training", "vivo tracking"
"video gaming" » "video reading", "video games", "video coding"
"video making" » "video mining", "video marketing", "video working"

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: (("video gaming") OR ((("video making") OR ("video tracking")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"video gaming\") or (((\"video making\") OR (\"video tracking\"))))".
• Removing quotes may allow a broader search: (( video gaming ) or ((( video making ) OR ( video tracking )))).
• Adding a wildcard symbol may retrieve word variants: (("video gaming") or ((("video making") OR ("video tracking"))))*.