is there any search engine in poland? like google?yahoo?
Yes both and all search engines are here as well.
is the on-line business easy to do in poland?
Just like any other country,some are very successfull,a friend of mine imports and sells furniture in poland from china and has had huge success.
If you dont speak english it might get little expensive to hire a baby sitter(translator) for yourself in every chore you do.