As (or So) far as my knowledge goes, there is no such word in English.

据我所知，英语里没有这样一个字。

youdao

As far as my knowledge is concerned, traveling can really broaden our horizons.

就我所知，旅游能够开拓我们的视野。

youdao

As far as my knowledge is concerned, the following ways are of great help to me.

就我所知？下列方法对我帮助很大。

youdao

As far as I can recall ... to the best of my knowledge ... as far as I know ...

FORBES

Duke undergraduates are, to my certain knowledge, as intelligent, as thoughtful, as creative, and as concerned for others as any student body in the country.

FORBES: Can Duke Fix Its Broken Reputation?

As a result and based on my knowledge of previously released demographic research by the Cardinals organization, roughly 35% of the Cardinals fan base originates from outside of the local 12-county MSA, with 4-6% per state coming from such places as Iowa, Kansas, Arkansas, Kentucky, Tennessee, and Indiana.

FORBES: The Impact Of Location On Brand Loyalty: The Cubs, Cardinals And Rays