Perhaps you should try some spelling variations:
"coder coder coding variance functions" » "coder coder coding covariance functions" (Expand search), "coder coder coding variable functions" (Expand search), "coder coder coding covariance function" (Expand search), "coder coder coding variants functions" (Expand search), "coder coder coding variation functions" (Expand search), "coder coder kriging variance functions" (Expand search), "coder modern coding variance functions" (Expand search), "coder color coding variance functions" (Expand search), "coder odor coding variance functions" (Expand search), "coder decoder coding variance functions" (Expand search), "code code coding variance functions" (Expand search), "decoder codec coding variance functions" (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding variance functions\") OR (\"on python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder coding variance functions ) OR ( on python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding variance functions") OR ("on python python python programming"))*.