Perhaps you should try some spelling variations:
integer programming » linear programming (Expand search)
coder precoding » coherent precoding (Expand search), linear precoding (Expand search)
precoding using » coding using (Expand search), breeding using (Expand search), pricing using (Expand search)
using integer » using inter (Expand search), using internet (Expand search), using integral (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)

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

• Removing quotes may allow a broader search: (( coder precoding using integer programming ) OR ( python python python python programming ))~.