Perhaps you should try some spelling variations:
transforms links » transforms lives, transformes les
links across » lines across, risks across, lives across
teacher bei » teacher per, teacher i, teacher ii
bias ende » bis ende, bias index, das ende
bei macro » bei marx, new macro, bei marc
luis a » luis f, luis c
student » students

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( bias ende _ transforms links across ) or ( luis a student teacher bei macro ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bias ende _ transforms links across ) OR ( luis a student teacher bei macro )).
• Adding a wildcard symbol may retrieve word variants: (( bias ende _ transforms links across ) or ( luis a student teacher bei macro ))*.