Perhaps you should try some spelling variations:
"coder documentation and complex program" » "model documentation and complex program" (Expand search), "car documentation and complex program" (Expand search), "care documentation and complex program" (Expand search), "coder documentation and simplex program" (Expand search), "coder documentation and complex programmes" (Expand search), "coder documentation and complex prograded" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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 documentation and complex program\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder documentation and complex program ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder documentation and complex program") OR ("python coding python python programming"))*.