The phrase "after farther" is not correct in standard written English.
It is typically used incorrectly as "farther" is a comparative form of "far" and should not be used in this context without proper structure.
Example: "We will discuss the topic after we go farther into the details."
Alternatives: "after we proceed further" or "after we delve deeper".
We retreated farther after realizing that this was not an isolated event; that the thousands of hardened lava boulders strewn over the dusty landscape had been the results of other previous "big ones".
Steadily we rode after them, farther and farther into the enclosed and constantly narrowing space, until the whole surface of the ground was literally covered with kangaroos, so closely packed that they could not leap.
After testing farther from the plant, officials revealed in August that the lead contamination extends as far as 1.7 miles from the plant and may have fouled as many as 10,000 homes.
After the markets closed, the company reported fourth-quarter revenue and margin outlook that exceeded Wall Street's estimates, which sent its shares up farther in after-hours trading.
Those are the highly sought-after airwaves that travel farther between antennas and pass more easily through buildings, making them especially attractive in urban areas where the largest, most profitable clusters of mobile device users congregate.
Now, after more exploration farther north, the Selvaggio Blu has grown to about 30 undulating and challenging miles.
It was only later, after I headed farther north, where more snow had fallen, that I discovered the true function of snowshoes.
The anglers, who were on the ice between Sandusky and Toledo, became imperiled after they ventured farther onto the frozen lake.
Those who received the higher dose walked an average of 21 meters farther after 48 weeks of treatment than at the beginning of the trial, a gain of about 5 percent.
Robert Garry, a virologist from Tulane University in New Orleans, points out that the current virus is less aggressive than some previous trains, meaning that infected patients are able to spread the disease farther after symptoms begin.
