A family of Microsoft word processing software products for creating web, email, and print documents.
To search for manual line breaks and/or manual paragraph breaks (paragraph marks), you don't need to enable the "Use wildcards" option. In fact, as you have noticed, you'll see different options at the Special dropdown when you are running a wildcard find & replace.
Display nonprinting marks, for example by clicking the ¶ icon on the Home tab, to get a clearer picture of what you are dealing with. Are text "lines" ending with a paragraph mark (¶)? In that case, you have single-line paragraphs rather than manual line breaks.