The phrase "one or two" can be used to convey a small number or a few items. There are several possible synonyms for this phrase, depending on the context and the intent of the speaker. For example, "a couple" might be a suitable replacement for "one or two" when referring to two items or people, while "a handful" could be used for a slightly larger number. Similarly, "a few," "a smattering," and "a sprinkling" are other possibilities. To indicate a vague number or quantity, one could use expressions like "some," "a bit," or "a little." Overall, there are many ways to describe a small number or quantity without using the specific phrase "one or two".