Perhaps you should try some spelling variations:
"coder coder on formulation problem" » "coder coder on formation problem" (Expand search), "coder coder on formulation process" (Expand search), "coder coder on simulation problems" (Expand search), "coder coder and formulation problem" (Expand search), "coder coder _ formulation problem" (Expand search), "coder decoder on formulation problem" (Expand search), "code code on formulation problem" (Expand search), "decoder codec on formulation problem" (Expand search), "coder code on formulation problem" (Expand search), "coder codes on formulation problem" (Expand search), "coder powder on formulation 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder on formulation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder on formulation problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder on formulation problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder on formulation problem") OR ("api python python python programming"))*.