Perhaps you should try some spelling variations:
"coder replication method modeling problem" » "coder application method modeling problem" (Expand search), "coder application methods modeling problem" (Expand search), "coder preparation method modeling problem" (Expand search), "coded replication method modeling problem" (Expand search), "code application method modeling problem" (Expand search), "codes application method modeling problem" (Expand search), "coder replication method modeling problems" (Expand search), "coder replication method modelling problem" (Expand search), "coder replication method modelling problems" (Expand search), "coder replication meta modeling problem" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 replication method modeling problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder replication method modeling problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder replication method modeling problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder replication method modeling problem") OR ("on python python python programming"))*.