Perhaps you should try some spelling variations:
"coder coding programming unit problem" » "coder solving programming unit problem" (Expand search), "coder cone programming unit problem" (Expand search), "coder conic programming unit problem" (Expand search), "coder coding programming finite problem" (Expand search), "coder coding programming using problem" (Expand search), "coder coding programming under problem" (Expand search), "modern coding programming unit problem" (Expand search), "color coding programming unit problem" (Expand search), "odor coding programming unit problem" (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 coding programming unit problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding programming unit problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding programming unit problem") OR ("api python python python programming"))*.