Perhaps you should try some spelling variations:
"coder code in constraint problems" » "coder code in constraint problem" (Expand search), "coder code in constrained problems" (Expand search), "coder code in constrant problem" (Expand search), "coder code and constraint problems" (Expand search), "coder code _ constraint problems" (Expand search), "code code in constraint problems" (Expand search), "modern code in constraint problems" (Expand search), "color code in constraint 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 in constraint problems\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder code in constraint problems ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder code in constraint problems") OR ("api python python python programming"))*.