Perhaps you should try some spelling variations:
"coder coder making planning problem" » "coder coder making packing problem" (Expand search), "coder coder making planning process" (Expand search), "coder coder mining planning problem" (Expand search), "coder coder marketing planning problem" (Expand search), "coder coder teaching planning problem" (Expand search), "coder model making planning problem" (Expand search), "coder order making planning problem" (Expand search), "coder boiler making planning problem" (Expand search), "coder decoder making planning problem" (Expand search), "code code making planning problem" (Expand search), "decoder codec making planning problem" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof 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 making planning problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder making planning problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder making planning problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder making planning problem") OR ("on python python python programming"))*.