Perhaps you should try some spelling variations:
"coder solution is arduino programming" » "coder solution is arduino programmable" (Expand search), "coder solution is radio programming" (Expand search), "coder solution is learning programming" (Expand search), "code solution is arduino programming" (Expand search), "copper solution is arduino programming" (Expand search), "powder solution is arduino programming" (Expand search), "coder solution in arduino programming" (Expand search), "coder solution _ arduino programming" (Expand search), "coder solution by arduino programming" (Expand search), "coder solution via arduino programming" (Expand search), "coder solution ide arduino programming" (Expand search)
"shape optimization python python programming" » "shape optimization method python programming" (Expand search), "shape optimization option python programming" (Expand search), "shape optimization methods python programming" (Expand search), "the optimization python python programming" (Expand search), "shape optimization pythons python programming" (Expand search), "shape optimization piton python programming" (Expand search), "shape optimization pitons 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 solution is arduino programming") OR ("shape optimization python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder solution is arduino programming\") OR (\"shape optimization python python programming\"))".
• Removing quotes may allow a broader search: (( coder solution is arduino programming ) OR ( shape optimization python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder solution is arduino programming") OR ("shape optimization python python programming"))*.