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