Perhaps you should try some spelling variations:
changgi transform » changers transform, can transform
transform ist » transform test, transform fft, transform std
la changgi » lee changgi
values la » values a, values _, values 1
ist denn » ist dann, ist den, ist wenn
guias de » guia de, guide de, aguas de
heat » head

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: (( values la changgi transform ist denn ) OR ( guias de heat transfer _ macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( values la changgi transform ist denn ) or ( guias de heat transfer _ macao ))*.