Perhaps you should try some spelling variations:
"coder coding bus assignment problem" » "coder coding by assignment problem" (Expand search), "coder coding based assignment problem" (Expand search), "coder coding task assignment problem" (Expand search), "modern coding bus assignment problem" (Expand search), "color coding bus assignment problem" (Expand search), "odor coding bus assignment problem" (Expand search), "coder coding is assignment problem" (Expand search), "coder coding qui assignment 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 bus assignment problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coding bus assignment problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coding bus assignment problem") OR ("api python python python programming"))*.