Perhaps you should try some spelling variations:
"coder precoder toc linear programming" » "coder decoder toc linear programming" (Expand search), "coder precoder _ linear programming" (Expand search), "coder precoded mc linear programming" (Expand search), "coder precoder hp linear programming" (Expand search), "coder precoder tcfc linear programming" (Expand search), "coder precoder dc linear programming" (Expand search), "coder precoder mpc linear programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api 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 toc linear programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder toc linear programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder toc linear programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder toc linear programming") OR ("api python python python programming"))*.