Perhaps you should try some spelling variations:
"coder function testing random problems" » "coder functional testing random problems" (Expand search), "coder function tests random problems" (Expand search), "coder function test random problems" (Expand search), "coder function testing random probes" (Expand search), "coder function testing and problems" (Expand search), "coder function testing random process" (Expand search), "modern function testing random problems" (Expand search), "power function testing random problems" (Expand search), "over function testing random problems" (Expand search), "coder function using random problems" (Expand search), "coder function fitting random problems" (Expand search)
"using coating python python programming" » "using coating method python programming" (Expand search), "using coating pathogens python programming" (Expand search), "using coatings python python programming" (Expand search), "using rotating python python programming" (Expand search), "using cutting python python programming" (Expand search), "using coating pythons python programming" (Expand search), "using coating piton python programming" (Expand search), "using coating 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 function testing random problems") OR ("using coating python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder function testing random problems\") OR (\"using coating python python programming\"))".
• Removing quotes may allow a broader search: (( coder function testing random problems ) OR ( using coating python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder function testing random problems") OR ("using coating python python programming"))*.