The phrase "we can often" is correct and can be used in written English.
Example: "We can often find a solution by working together as a team."
"We can often underestimate him," she said.
"We can often set up a payment plan..
We choose to avoid death if we can, often to forestall our own feelings of helplessness, pain and loss.
We can often be found pulling them off a lecture room floor, goading them into eating a Toffee Crisp.
We can often tell shopping for books on Amazon, for example—when someone has taken this wise precaution.
However, in the laboratory, we can often see subtle changes in cognitive function at 8, 9 or 10".
Others are ignored, and we can often learn valuable lessons from them about what is likely to lie ahead.
We can often be a bit frictionless, here at the end of the first decade of the new century.
We can often remember things we laughed at, or the people we were with, but we really do not notice how much we actually laugh.
We can often find a plan whose total annual costs will be just half of what they would have to pay for their current plan in 2007".
In a culture that is continually looking for smaller, faster and more convenient ways of doing things, we can often abandon a technology before it reaches maturity.
