Perhaps you should try some spelling variations:
"coder arduino optical algorithm optimization" » "coder arduino optical algorithms optimization" (Expand search), "coder arduino optimal algorithm optimization" (Expand search), "coder arduino optimal algorithms optimization" (Expand search), "coder arduino optics algorithm optimization" (Expand search), "coder arduino aplicada algorithm optimization" (Expand search), "coder arduino aplicado algorithm optimization" (Expand search), "con arduino optical algorithm optimization" (Expand search), "ide arduino optical algorithm optimization" (Expand search), "solar arduino optical algorithm optimization" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 arduino optical algorithm optimization") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder arduino optical algorithm optimization\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder arduino optical algorithm optimization ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder arduino optical algorithm optimization") OR ("on python python python programming"))*.