Perhaps you should try some spelling variations:
transform models » transport models, transfer models, transfer model
models across » model across, ideas across, modelling across
teacher der » teacher per, teacher led, teacher gender
e student » a student, 2 student, 3 student
der macao » der macht, der makro
luis e » luis f, luis c, luis a
bis » bias

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( bis ende _ transform models across ) OR ( luis e student teacher der macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( bis ende _ transform models across ) or ( luis e student teacher der macao ))*.