Perhaps you should try some spelling variations:
estimation problem » restoration problem (Expand search), optimization problem (Expand search), education problem (Expand search)
coding estimation » loading estimation (Expand search), fading estimation (Expand search), coupling estimation (Expand search)
decoder coding » decoder codecs (Expand search), decoder using (Expand search), decoder codec (Expand search)
coder decoder » encoder decoder (Expand search), video decoder (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
in python » _ python (Expand search)

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

• Removing quotes may allow a broader search: (( coder decoder coding estimation problem ) OR ( in python python python programming )).