[xstas1]

Kagi is good, but only for English language queries

[nicce]

I use it for Finnish all the time and it is comparable to Google I would say.

[Shank]

I find it great for Japanese, provided you search in the Japanese language mode.

[xstas1]

How do you set it to search in Japanese language mode?

[robin_reala]

Second filter from the left on the results page is the location / language filter.