Perhaps you should try some spelling variations:
"coder computation methods _ problem" » "coder computational methods _ problem" (Expand search), "coder imputation methods _ problem" (Expand search), "coder competition methods _ problem" (Expand search), "modern computation methods _ problem" (Expand search), "core computation methods _ problem" (Expand search), "color computation methods _ 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 computation methods _ problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder computation methods _ problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder computation methods _ problem") OR ("api python python python programming"))*.