Perhaps you should try some spelling variations:
transport crisis » transform crisis, transport costs, transfer crisis
door transport » poor transport, dots transport, lower transport
crisis across » crisis cross, risks across, crises cross
our student » our students, your students, per student
ende door » ende der, one door
bis » bias
macro » micro

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bis ende door transport crisis across ) OR ( us our student teacher _ (macao OR macro) ))~".
• Adding a wildcard symbol may retrieve word variants: (( bis ende door transport crisis across ) OR ( us our student teacher _ (macao OR macro) ))*.