Perhaps you should try some spelling variations:
de transport » sea transport, free transport, bus transport
costs across » scores across, risks across
our student » our students, your students, per student
teacher bei » teacher per, teacher i, teacher ii
ende de » ende der, ende des, ende den
bis » bias
macao » macau, cacao
macro » micro

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 de transport costs across ) OR ( us our student teacher bei (macao OR macro) ))~.
• Adding a wildcard symbol may retrieve word variants: (( bis ende de transport costs across ) or ( us our student teacher bei (macao or macro) ))*.