Perhaps you should try some spelling variations:
coder descriptor » color descriptor (Expand search), video descriptor (Expand search), odor descriptors (Expand search)
descriptor based » descriptors and (Expand search)
based processing » laser processing (Expand search), and processing (Expand search), seed processing (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( coder coder descriptor based processing ) OR ( python python python python programming ))~.