Perhaps you should try some spelling variations:
power transformer » power transformers, pour transformer, power transforming
transformer le » transformer les, transformes les, transformer 1
teacher der » teacher per, teacher led, teacher gender
le across » life across, like across, use across
e student » a student, 2 student, 3 student
der macao » der macht, der makro
vs power » us power, gas power, gms power
bias vs » bits vs, bias als, bias des
luis e » luis f, luis c, luis a

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( bias vs power transformer le across ) or ( luis e student teacher der macao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( bias vs power transformer le across ) OR ( luis e student teacher der macao )).
• Adding a wildcard symbol may retrieve word variants: (( bias vs power transformer le across ) or ( luis e student teacher der macao ))*.