The phrase "added one or two" is correct and usable in written English.
It can be used when referring to the act of including a small number of additional items or elements in a context, such as a list or a quantity.
Example: "I decided to add one or two more examples to my presentation to clarify my points."
Alternatives: "included a couple" or "added a few more".
ABC got so high on its own fumes last fall that it added one or two minutes to the running time of "Housewives" and "Lost" — not for the benefit of viewers but to make a greedy grab for even more millions of eyeballs.
Pleat added: "One or two have succeeded, but not many.
More cap room could be gained if the Panthers added one or two voidable years to Johnson's deal with a restructuring.
O/R Books may have added one or two full-time employees to their posse of freelancers and part-timers: a virtual staff of book artists and website designers, film-makers, marketing mavens, and so on.
To circumvent this, we added one or two copies of the N-terminal amphipathic helix from endophilin onto centaurin and tested the ability of the mutants to induce membrane fission both in vivo and in vitro.
For example, comparing CLASS-Chem categories to the original eight categories on CLASS-Phys, three categories have identical statement composition, three have just one or two novel CLASS-Chem statements added to an original CLASS-Phys statement composition, and only two categories dropped an original statement and added one or two new statements.
One of Bam's survivors recounted very disturbing scenes: "They were stealing the stuff of people and putting in the car and adding one or two more dead bodies on top of the car or on the taken stuff.
If you re-connect before a job offer, don't plead or pile on new data, just add one or two highly relevant points, and otherwise say thanks for an enjoyable discussion or meeting – note the subtle avoidance of the word interview.
(w1; very mild dementia; HADS 4 → 13) Probably add one or two members of family on this programme in case the appointed carer is not able to do the caring.
(w19; mild dementia; HADS 16 → 20) It was intended that support sessions would include only the therapist and carer, but two participants suggested that other family members could have been included so they too could share the strategies: Probably add one or two members of family on this programme in case the appointed carer is not able to do the caring.
You can add one or two other concerns but rambling on will only cause him to tune you out.
