Perhaps you should try some spelling variations:
"coder coder recoding linear programming" » "coder coder removing linear programming" (Expand search), "coder coder encoding linear programming" (Expand search), "coder decoder recoding linear programming" (Expand search), "code code recoding linear programming" (Expand search), "decoder codec recoding linear programming" (Expand search)
"spi api python python programming" » "spi api pythons python programming" (Expand search), "spi api piton python programming" (Expand search), "spi api pitons python programming" (Expand search), "spi rpa python python programming" (Expand search), "spi manim python python programming" (Expand search), "api api python python programming" (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder recoding linear programming\") OR (\"spi api python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder recoding linear programming ) OR ( spi api python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder recoding linear programming") OR ("spi api python python programming"))*.