How ever: an emphatic form of how, used to ask in what manner.
In contrast.
To whatever degree or extent.
Nevertheless; yet, still; in spite of that.
In any way that one likes or chooses; in a haphazard or spontaneous way.
In any way in which.
Regardless of the way in which.
But, yet, though, although.
Used in questions when the speaker does not know for sure if the listener will have an answer.
Used to suggest or state tentatively that something may be the case (often the opposite of something previously implied).