Perhaps you should try some spelling variations:
pheromone complexity » performance complexity (Expand search), pheromone component (Expand search), pheromone components (Expand search)
using using » using fusing (Expand search), housing using (Expand search), nursing using (Expand search)
cots python » pacote python (Expand search), monty python (Expand search)
using cots » using cone (Expand search), using co (Expand search), using co2 (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder pheromone complexity control program ) OR ( using using cots python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder pheromone complexity control program ) OR ( using using cots python programming ))*.