The phrase "more by" can be replaced with a number of synonyms depending on the context. Some alternatives include "further by," "additional by," "extra by," "increased by," "extended by," and "supplementary by." These phrases are often used to describe an increase in quantity, length, or intensity. For example, "the project deadline has been extended by two weeks," or "the dish is spiced up by the addition of chili flakes." Ultimately, the synonym used will depend on the writer's intention and the tone of the piece. Regardless of the choice, it is important to ensure that the phrasing is clear and concise to avoid confusion or ambiguity.