请注明贵公司详细联系办法(如与上述不同)。

Please write the detail information about your company (if different from above).

youdao

我们已经用了一切能用的联系办法，但是都没能跟他取得联系。

We tried all possible means of communication, but we couldn't get in touch with him.

youdao

有没有什么办法和他取得联系？

Is there any means of contacting him?

《牛津词典》

Then if there's anything that can't get resolved that way then go ahead and contact me.

如果找不到解决的办法,那么就来联系我

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选