Perhaps you should try some spelling variations:
"coder coder coding efficiency influence" » "coder coder coding deficiency influences" (Expand search), "coder coder coding efficiency evidence" (Expand search), "coder coder coding efficiency increase" (Expand search), "coder coder feeding efficiency influence" (Expand search), "coder coder cutting efficiency influence" (Expand search), "coder coder spending efficiency influence" (Expand search), "coder modern coding efficiency influence" (Expand search), "coder color coding efficiency influence" (Expand search), "coder odor coding efficiency influence" (Expand search), "coder decoder coding efficiency influence" (Expand search), "code code coding efficiency influence" (Expand search), "decoder codec coding efficiency influence" (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 coding efficiency influence") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coding efficiency influence\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coding efficiency influence ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coding efficiency influence") OR ("on python python python programming"))*.