Perhaps you should try some spelling variations:
"coder precoder practical problems programming" » "coder precoder practical robots programming" (Expand search), "coder precoder practical phones programming" (Expand search), "coder precoder practical robot programming" (Expand search), "coder poder practicas problems programming" (Expand search), "coder precoder operational problems programming" (Expand search), "coder decoder practical problems programming" (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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder precoder practical problems programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder practical problems programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder practical problems programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder practical problems programming") OR ("api python python python programming"))*.