Perhaps you should try some spelling variations:
"code code coding in complexity" » "code code coding on complexity" (Expand search), "code code coding and complexity" (Expand search), "code code coding _ complexity" (Expand search), "code code cloning in complexity" (Expand search), "code code codigo in complexity" (Expand search), "code code according in complexity" (Expand search), "code cdc coding in complexity" (Expand search), "code code coding rna complexity" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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: (("code code coding in complexity") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code code coding in complexity\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( code code coding in complexity ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code code coding in complexity") OR ("_ python python python programming"))*.