Perhaps you should try some spelling variations:
fourier transfer » fourier transform, fourier transforms, border transfer
transfer crisis » transform crisis, transfer risks, transport crisis
data transform » data transforms, data transfer, data transfers
crisis across » crisis cross, risks across, crises cross
time fourier » time course
female data » female goats, female rates
transform 3 » transform _, transform a, transform 1
i female » _ female, a female, 4 female
aguas » agus, agua

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: (( aguas time fourier transfer crisis across ) OR ( i female data transform 3 a ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas time fourier transfer crisis across ) or ( i female data transform 3 a ))*.