> there's this webpage i use as a test. There's the index 
file
> and another one "test.htm" which is "hidden" (there's no
> link from index to test). The test page has a link to 
google... 
> The scan rules are set with www.*.com/*. I tried all the
> options...

If the link is hidden, there is NO way you can fetch it: 
httrack must "see" the link to actually know it - there is 
no "directory listing" in HTTP.

> travel mode *up and down*

"Experts only" options should never be touched - scan rules 
are generally more powerful

> that *get all the pages scanned, including the pages
> mentionned as links in those webpagges*

You can give multiple URLs in the URL field:
www.example.com/index.html
www.example.com/test.html

You can also give the result page where the "hidden" links 
can be found, AND, using scan rules, prevent httrack from 
downloading other things:

Set Options/Scan rules
-* +www.example.com/*