Search in complex URLs [SOLVED]


Hello. How can i search only for a the tweets which link to a full qualified TLD? For instance, when i search for:

I get the results from:

So far, I’ve tried -unsuccesfully- to limit the results searching for:
" "

Any help would be appreciated.

[UPDATE] The solution is to join the keyword and the exclusion keywords with the hexadecimal code of space character: