Use the string
.Split() function to split on the space character:
string[] strings = SearchListTextBox.Text.Split(' ', StringSplitOptions.RemoveEmptyEntries);
Also see:
https://www.dotnetperls.com/split[
^]
then search like this:
[Team] LIKE '%{0}%' OR [Team] LIKE '%{1}%', strings[0], strings[1]