增多

zēngduō
  1. to increase
  2. to grow in number

CEDICT

Entry Composition

1 增 zēng (bound form) to increase; to augment; to add to
2 多 duō
  1. many; much; more; a lot of
  2. too many; in excess
  3. (after a numeral) ... odd
  4. how (to what extent) (Taiwan pr. duó)
  5. (bound form) multi-; poly-