Talvez debería tentar con algunhas variantes ortográficas:
information concentration » information convention, information orientation, formation preconcentration
problems diffraction » problems directions, problems differential, problems fiction
process functions » processes functions, processes functional, process definitions
esf fibre » leaf fibre, opf fibre, efb fibre

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: information concentration ((problems diffraction) OR (process functions)) esf fibre~.
• Adding a wildcard symbol may retrieve word variants: information concentration ((problems diffraction) or (process functions)) esf fibre*.