Perhaps you should try some spelling variations:
"coder coder modelling placement problem" » "coder coder modelling planejamento problem" (Expand search), "coder coder modelling management problem" (Expand search), "coder coder modelling movement problem" (Expand search), "coder cover modelling placement problem" (Expand search), "coder order modelling placement problem" (Expand search), "coder model modelling placement problem" (Expand search), "coder decoder modelling placement problem" (Expand search), "code code modelling placement problem" (Expand search), "decoder codec modelling placement 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 coder modelling placement problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder modelling placement problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder modelling placement problem") OR ("api python python python programming"))*.