Perhaps you should try some spelling variations:
peptone complexity » tone complexity (Expand search), sentence complexity (Expand search), response complexity (Expand search)
fitting methods » costing methods (Expand search), feeding methods (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
using fitting » using cutting (Expand search), sine fitting (Expand search), using lifting (Expand search)
coder » poder (Expand search), codes (Expand search), coded (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( coder peptone complexity control program ) OR ( using fitting methods python programming ))~.