Perhaps you should try some spelling variations:
"teaching conceptions and coding program" » "teachers conceptions and coding program" (Expand search), "teaching conceptions of coding program" (Expand search), "teaching concepts and coding program" (Expand search), "teaching perceptions and coding program" (Expand search), "teaching conceptions and cloning program" (Expand search), "teaching conceptions and loading program" (Expand search), "teaching conceptions and cooling programs" (Expand search), "teaching conceptions and coping program" (Expand search), "teaching conceptions and cooling program" (Expand search), "teaching conceptions and cooking program" (Expand search)
"advanced validation python computer program" » "advanced oxidation python computer program" (Expand search), "advanced glication python computer program" (Expand search), "advanced visualization python computer program" (Expand search), "advanced validation method computer program" (Expand search), "advanced animation python computer program" (Expand search), "advanced validation methods computer 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: "((\"teaching conceptions and coding program\") OR (\"advanced validation python computer program\"))~".
• Removing quotes may allow a broader search: (( teaching conceptions and coding program ) OR ( advanced validation python computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("teaching conceptions and coding program") OR ("advanced validation python computer program"))*.