Perhaps you should try some spelling variations:
"coder poder in string problems" » "coder poder in string problem" (Expand search), "coder poder in sharing problems" (Expand search), "coder poder in sorting problems" (Expand search), "poder poder in string problems" (Expand search), "codesc poder in string problems" (Expand search), "poder power in string problems" (Expand search), "coder poder i3 string problems" (Expand search), "coder poder i2 string problems" (Expand search), "coder poder _ string problems" (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), "manim 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 poder in string problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder poder in string problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder poder in string problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder poder in string problems") OR ("api python python python programming"))*.