Perhaps you should try some spelling variations:
"an approximation python python programming" » "an approximation method python programming" (Expand search), "an approximation methods python programming" (Expand search), "an approximation poisson python programming" (Expand search), "an approximation pythons python programming" (Expand search), "an approximation piton python programming" (Expand search), "an approximation pitons python programming" (Expand search)
"and communication in coding program" » "and communication in cloning program" (Expand search), "and communication in loading program" (Expand search), "and communication in cooling programs" (Expand search), "and communication on coding program" (Expand search), "and communication in decoding program" (Expand search), "and communication non coding program" (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: "((\"and communication in coding program\") OR (\"an approximation python python programming\"))~".
• Removing quotes may allow a broader search: (( and communication in coding program ) OR ( an approximation python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and communication in coding program") OR ("an approximation python python programming"))*.