Perhaps you should try some spelling variations:
"coder compra python complex problem" » "coder compra python complex problems" (Expand search), "coder compra python computer problem" (Expand search), "coder compra prison complex problem" (Expand search), "poder compra python complex problem" (Expand search), "poder comprar python complex problem" (Expand search), "compra compra python complex problem" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python python 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 compra python complex problem\") OR (\"via python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder compra python complex problem ) OR ( via python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder compra python complex problem") OR ("via python python python programming"))*.