Perhaps you should try some spelling variations:
"coder _ multiobjective integer programing" » "coder _ multiobjective linear programing" (Expand search), "coder _ multiobjective integer programming" (Expand search), "coder _ multiobjective internet programming" (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 _ multiobjective integer programing") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder _ multiobjective integer programing\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder _ multiobjective integer programing ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder _ multiobjective integer programing") OR ("api python python python programming"))*.