Perhaps you should try some spelling variations:
measures transformational » leaders transformational, master transformational, leader transformational
transformational key » transformational _, transformational pt, transformational use
transfer factor » transfer factors, transfer function, transfer history
file transfer » wire transfer, risk transfer, food transfer
2.2 measures » 3.2 measures
aguas del » aguas de, aguas do
bias 2.2 » biases 2.2
del file » del cine
key 1 » key _, key 3, key 2

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: (( bias 2.2 measures transformational key 1 ) OR ( aguas del file transfer factor _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( bias 2.2 measures transformational key 1 ) or ( aguas del file transfer factor _ ))*.