I was on teh first page and all of a sudden I disappear

I know they must of down something again and normally I just wait it out and things return to normal . I looked at who was on the first page now and was something i do not understand and hope soemone can explain it to me It says

These search terms have been highlighted: cruises
These terms only appear in links pointing to this page: discounted

The site has 11,600 BUT it seems like they are from mostly two sites with this at the bottom

Cruises

Nothing mentioned about discounted at any of them

DOes anyone know how he does it

THXS STeve