询问奸雄所见略同的由来 and how does it relate to chinese
Based on the web search, It was first appeared in "&lt;三国志·蜀书·庞统传> with annotations by 裴松之", it first appeared as "天下智谋之士所见略同耳". and then it was used as 英雄所见略同 in some later books. 英雄(Heroes, Great Leaders...) instead of 智谋之士( aka 谋士, counsellors to emperors).  Literally, It can be interpreted as: Heroes ( to kings/emperors) share same points of views and strategies, or Heroes' points of views are a bit similar. The difference is from the interpretation of the char 略, e.g 略 as in 战略 (strategy), or 略 as in 略有所闻 (a bit). 

the widely used translation for this idiom is "Great minds think alike", it doesn't matter which interpretation you used.