Perhaps you should try some spelling variations:
"developing computational using computer program" » "applying computational using computer program" (Expand search), "teaching computational using computer program" (Expand search), "learning computational using computer program" (Expand search), "developing computation using computer program" (Expand search), "developing computations using computer program" (Expand search), "developing computacional usinas computer program" (Expand search)
"using codes from python programming" » "using code from python programming" (Expand search), "using anodes from python programming" (Expand search), "using cone from python programming" (Expand search), "using codes from pathogen programming" (Expand search), "using codes from anthony programming" (Expand search), "using cestodes from python programming" (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: "((\"developing computational using computer program\") OR (\"using codes from python programming\"))~".
• Removing quotes may allow a broader search: (( developing computational using computer program ) OR ( using codes from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("developing computational using computer program") OR ("using codes from python programming"))*.