Perhaps you should try some spelling variations:
"coder coder applying variational problems" » "coder coder applying vibrational problems" (Expand search), "coder coder applying traditional problems" (Expand search), "coder coder applying operational problems" (Expand search), "coder coder applying emotional problems" (Expand search), "coder model applying variational problems" (Expand search), "coder after applying variational problems" (Expand search), "coder could applying variational problems" (Expand search), "coder decoder applying variational problems" (Expand search), "code code applying variational problems" (Expand search), "decoder codec applying variational 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 coder applying variational problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder applying variational problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder applying variational problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder applying variational problems") OR ("api python python python programming"))*.