Perhaps you should try some spelling variations:
transformer based » transformer les, transport based, transformation based
student transfer » student transfers, student teacher
a transformer » _ transformer, a transformed, 3 transformer
based across » based access, shared across, varied across
das student » a student, can student, his student
transfer de » transfer der, transfer fee, transfer bei
luis das » luis a, luis de, aus das
de macau » de marcas, _ macau, de masa
ende a » ende 2, ende 5
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 a transformer based across ) OR ( luis das student transfer de macau ))~.
• Adding a wildcard symbol may retrieve word variants: (( bis ende a transformer based across ) or ( luis das student transfer de macau ))*.