Perhaps you should try some spelling variations:
"coder complexity processing algorithm doi" » "coder complex processing algorithm doi" (Expand search), "coder complexity processes algorithm doi" (Expand search), "coder composite processing algorithm doi" (Expand search), "coder complexity processing algorithms doi" (Expand search), "coder complexity routing algorithm doi" (Expand search), "code complexity processing algorithm doi" (Expand search), "model complexity processing algorithm doi" (Expand search), "lower complexity processing algorithm doi" (Expand search), "coder complexity processing algorithm ii" (Expand search), "coder complexity processing algorithm dc" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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 complexity processing algorithm doi") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder complexity processing algorithm doi\") OR (\"api pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coder complexity processing algorithm doi ) OR ( api pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder complexity processing algorithm doi") OR ("api pitons python python programming"))*.