Perhaps you should try some spelling variations:
biomass transfer » biomass transport, diseases transfer, bioheat transfer
22mass transfer » pass transfer, class transfer, mars transfer
mass transfers » cash transfers, pass transfer, mass transport

Try widening your search to All Fields.

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: %((((((22mass transfer) OR (biomass transfer))) OR (mass transfer))) OR (mass transfers))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((((22mass transfer) OR (biomass transfer))) or (mass transfer))) or (mass transfers))%22".
• Adding a wildcard symbol may retrieve word variants: %((((((22mass transfer) OR (biomass transfer))) or (mass transfer))) or (mass transfers))%22*.