Perhaps you should try some spelling variations:
"coder on concurrent java program" » "coder on concurrent and program" (Expand search), "coder on concurrent law program" (Expand search), "coder on concurrent ac program" (Expand search), "coder non concurrent java program" (Expand search), "coder of concurrent java program" (Expand search), "coder in concurrent java program" (Expand search), "coder on concurrent java programs" (Expand search), "coder on concurrent java programa" (Expand search), "coder on concurrent viva program" (Expand search), "code on concurrent java program" (Expand search), "codes on concurrent java program" (Expand search), "powder on concurrent java program" (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 on concurrent java program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder on concurrent java program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder on concurrent java program ) OR ( api python python python programming ))*.