Perhaps you should try some spelling variations:
transformation rule » transformation rules, transformation role, transformation agile
transfer function » transfer functions
age maturity » a maturity, mass maturity, seed maturity
5 contract » _ contract, a contract, 2 contract
function 3 » function _, function 5, function 4
guias age » guias de
aguas 5 » aguas de, aguas do
rule a » rule _, rule 1, rule 3

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: (( guias age maturity transformation rule a ) OR ( aguas 5 contract transfer function 3 ))~.
• Adding a wildcard symbol may retrieve word variants: (( guias age maturity transformation rule a ) or ( aguas 5 contract transfer function 3 ))*.