查找6月份由我转发给别人的JIRA问题
assignee changed by 用户名 AND created > "2019/06/01" AND created < "2019/06/30" ORDER BY created DESC
查找我最近半年解决的JIRA问题
project = 项目名 AND assignee = 用户名 AND created > "2018/06/01" and created < "2018/12/30"
更多的信息，请阅读官方的文档。
https://confluence.atlassian.com/jirasoftwareserver082/advanced-searching-974359675.html