Perhaps you should try some spelling variations:
"coder coder transversal packing problem" » "coder coder transversal teaching problem" (Expand search), "coder coder transversal learning problem" (Expand search), "coder coder transversal actions problem" (Expand search), "coder over transversal packing problem" (Expand search), "coder under transversal packing problem" (Expand search), "coder modelo transversal packing problem" (Expand search), "coder coder transversal planning problem" (Expand search), "coder decoder transversal packing problem" (Expand search), "code code transversal packing problem" (Expand search), "decoder codec transversal packing 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), "rpa python 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 transversal packing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder transversal packing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder transversal packing problem ) OR ( api python python python programming ))*.