Perhaps you should try some spelling variations:
"coder coder formulations linear programming" » "coder coder formulations in programming" (Expand search), "coder coder formulacao linear programming" (Expand search), "coder coder formulations under programming" (Expand search), "coder code formulations linear programming" (Expand search), "coder powder formulations linear programming" (Expand search), "coder copper formulations linear programming" (Expand search), "coder decoder formulations linear programming" (Expand search), "code code formulations linear programming" (Expand search), "decoder codec formulations linear programming" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python 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 coder formulations linear programming") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder formulations linear programming\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder formulations linear programming ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder formulations linear programming") OR ("in python python python programming"))*.