over here is a good hiding place was not accepted
...and did you report it using the flag?
according to a native Finn, "Over here is a good hiding place" is a better translation (flagged)
I should use täällä if I'm near something but the other person is not?
You use "täällä" to refer to a place that's near you, yes, but the person you are talking to can be equally as near the place as you are.