Perhaps you should try some spelling variations:
"coder coder tool allocation problem" » "coder coder tool location problem" (Expand search), "coder coder soil allocation problem" (Expand search), "coder coder goal allocation problem" (Expand search), "coder coder tool application problem" (Expand search), "coder decoder tool allocation problem" (Expand search), "code code tool allocation problem" (Expand search), "decoder codec tool allocation problem" (Expand search), "coder code tool allocation problem" (Expand search), "coder cover tools allocation problem" (Expand search), "coder power tool allocation problem" (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 coder tool allocation problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tool allocation problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder tool allocation problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder tool allocation problem") OR ("api python python python programming"))*.