Perhaps you should try some spelling variations:
"coder code linear problem based" » "coder code linear problems based" (Expand search), "coder code linear problemas based" (Expand search), "coder code nonlinear problem based" (Expand search), "coder encode linear problem based" (Expand search), "coder model linear problem based" (Expand search), "coder cobre linear problem based" (Expand search), "code code linear problem based" (Expand search), "modern code linear problem based" (Expand search), "color code linear problem based" (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 code linear problem based") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code linear problem based\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder code linear problem based ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder code linear problem based") OR ("api python python python programming"))*.