Adding missing info

I would like to add additional content to certain games, however, when I go to add information via the search field it doesn't always come up with matches for what I'm looking for...am I doing this wrong?  Is there an area where I can make suggestions for information that you are missing?  Please help...thanks!

"I would like to add additional content to certain games, however, when I go to add information via the search field it doesn't always come up with matches for what I'm looking for...am I doing this wrong?  Is there an area where I can make suggestions for information that you are missing?  Please help...thanks!
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what are you looking for, if the concept, object and so on does not exist in the database it will not come up the object needs to be added first