The phrase "a possible manner" is correct and usable in written English.
It can be used when discussing potential ways or methods to do something.
Example: "We need to explore a possible manner in which we can improve our communication strategies."
Alternatives: "a potential way" or "an alternative method".
We built a catalogue with all possible manners of connecting up to four nodes in a single component.
"The criminal plan consisted of eliminating the charges that the Argentine courts had filed against the Iranian officials, and the best means that was found to clear those charges, provide immunity and portray the matter in the tidiest possible manner to a deceived nation was to sign the aforementioned agreement".
On Tuesday, the General Services Administration announced that it is responding to the "Yelp for government" request in the most literal possible manner, through an agreement with Yelp that will allow agencies to "claim" their Yelp pages, just as salon owners and restaurateurs do, and respond directly to reviews about them.
* Insure the sites are operated in the best possible manner.
Kosher Kosher turkeys have been slaughtered in a humane-as-possible manner under the strict supervision of a rabbi.
This suggests a possible First Principle of Manners, one not dwelt upon in "Would It Kill You to Stop Doing That?": discretion.
His informal manner suggests a possible ambassadorship for modern dance in his future, Claudia La Rocco writes.
And according to the lawsuit, the foster mother did not, in a timely manner, report a possible sexual encounter between Kendrea and a boy in her home.
By E. B. White The New Yorker, February 11 , 1950 P. 31The writer does an outline, of a possible short story in the manner of W. Somerset Maugham.
The company, Mr. Garcia Wehbi said, considers "the peripheral" the best position from which "to understand art and the world" because, as with Kantor and Brecht, it makes possible a new manner of perceiving, an access to intimacy through distancing and disruption.
