Perhaps you should try some spelling variations:
"coder precoder schmidt linear programing" » "coder precoder schmidt linear programming" (Expand search), "coder precoder schmidt linear programmin" (Expand search), "coder precoder schmidt linear program" (Expand search), "coder eder schmidt linear programing" (Expand search), "coder peter schmidt linear programing" (Expand search), "coder precoder scheme linear programing" (Expand search), "coder decoder schmidt linear programing" (Expand search), "coder precoder schmidt lima programing" (Expand search), "coder precoder schmidt aline programing" (Expand search), "coder precoder schmidt dainer programing" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder precoder schmidt linear programing") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder schmidt linear programing\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder schmidt linear programing ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder schmidt linear programing") OR ("_ python python python programming"))*.