Perhaps you should try some spelling variations:
reference programming » preference programming (Expand search), residence programming (Expand search), extreme programming (Expand search)
time reference » time preference (Expand search), the reference (Expand search), time difference (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)
decoder time » gender time (Expand search), encoded time (Expand search), cover time (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 time reference programming ) OR ( in python python python programming ))~.