Perhaps you should try some spelling variations:
transformer time » transformer le, transformer higher, transformer based
student transfer » student transfers, student teacher
transfer beim » transfer bei, transfers bei, transfer axiom
time across » time gross, time access, fire across
luis a » luis f, luis c
bis » bias
macro » micro

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

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