How to write 没想到没想到

(negative prefix for verbs) have not; not

to think (about); to think of; to devise; to think (that); to believe (that); to desire; to want (to); to miss (feel wistful about the absence of)

to reach; to arrive; to leave for; to go to; to (a place); until (a time); up to (a point); (verb complement indicating arriving at a place or reaching a point); considerate; thoughtful; thorough