Perhaps you should try some spelling variations:
"and introduction of coding programming" » "and introduction of solving programming" (Expand search), "and introduction of cone programming" (Expand search), "and introduction of conic programming" (Expand search), "an introduction of coding programming" (Expand search), "and introduction to coding programming" (Expand search), "and introduction non coding programming" (Expand search)
"advanced python python coding programming" » "advanced python python solving programming" (Expand search), "advanced python python cone programming" (Expand search), "advanced python python conic programming" (Expand search), "advanced method python coding programming" (Expand search), "advanced path python coding programming" (Expand search), "advanced symphony python coding programming" (Expand search), "advanced pythons python coding programming" (Expand search), "advanced piton python coding programming" (Expand search), "advanced pitons python coding programming" (Expand search), "advanced python action coding programming" (Expand search), "advanced python python code 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: "((\"and introduction of coding programming\") OR (\"advanced python python coding programming\"))~".
• Removing quotes may allow a broader search: (( and introduction of coding programming ) OR ( advanced python python coding programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and introduction of coding programming") OR ("advanced python python coding programming"))*.