The phrase "add to the notion" is correct and usable in written English.
It can be used when you want to contribute additional information or perspective to an existing idea or concept.
Example: "The recent study adds to the notion that exercise significantly improves mental health."
Alternatives: "contribute to the idea" or "enhance the concept".
The negative headlines that come along with the Silk Road trial, or with other bad news like the breach of bitcoin exchange BitStamp early this year, fuel wariness and add to the notion that many in the public still have: bitcoin is an unstable investment, it's unsafe, and it is used for crime.
Our approach insists on the analysis of the origin of the entrepreneur's function, trying to add to the notion of 'ability' a social dimension.
These results further add to the notion that vitamin D is a physiological immune modulator in vivo.
Our results add to the notion that tolerance may differ depending on the type of damage, and that estimates of tolerance to artificial damage should not be directly interpreted as tolerance against damage by herbivores.
Thus, the present findings add to the notion that these peptides increase our understanding of antigen recognition in these cultures.
These results add to the notion that the actual number of unnotated genes and isoforms is still high in this model organism.
Franklin's lies added to the notion that all Indians were "merciless," as the Declaration referred to them.
In effect, James won on the court, and off, adding to the notion that he is now unstoppable.
It added to the notion that Prince's music came from an inexhaustible purple fountain, perhaps from heaven itself.
The eerie abundance of recent Singer publications -- and there have been many since his death -- only adds to the notion that the author is still traveling between worlds.
People standing on the street would not see them at work, perhaps adding to the notion that nothing was being done, he said.
