Perhaps you should try some spelling variations:
rivers transport » river transport, ideas transport, private transport
world informed » world income, well informed, world transformed
informed firms » informal firms, informed idioms, informal firm
language task » language tasks, language case, language test
transport zen » transport can, transport de, transport iran
firms across » farms across, firms access, fire across
chora und » chor und, china und, coda und
und world » fund world, undp world, 2nd world
zen cod » zen coda

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: (( chora und world informed firms across ) OR ( language task rivers transport zen cod ))~.
• Adding a wildcard symbol may retrieve word variants: (( chora und world informed firms across ) or ( language task rivers transport zen cod ))*.