Perhaps you should try some spelling variations:
"coder estimation method complex program" » "coder estimation methods complex program" (Expand search), "coder optimization method complex program" (Expand search), "coder evaluation method complex program" (Expand search), "model estimation method complex program" (Expand search), "power estimation method complex program" (Expand search), "color estimation method complex program" (Expand search), "coder estimation method simplex program" (Expand search), "coder estimation method complex programmes" (Expand search), "coder estimation method complex prograded" (Expand search), "coder estimation method complete program" (Expand search), "coder estimation method coupled program" (Expand search), "coder estimation metodo complex 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder estimation method complex program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder estimation method complex program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder estimation method complex program") OR ("api python python python programming"))*.