Perhaps you should try some spelling variations:
"coder code from estimation problems" » "coder code from estimation problem" (Expand search), "coder code from optimization problems" (Expand search), "coder code from optimisation problems" (Expand search), "coder code from legitimation problems" (Expand search), "coder code from elitization problems" (Expand search), "coder code from stimulation problems" (Expand search), "code code from estimation problems" (Expand search), "modern code from estimation problems" (Expand search), "color code from estimation problems" (Expand search), "coder code form estimation problems" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa 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 code from estimation problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code from estimation problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code from estimation problems") OR ("api python python python programming"))*.