Perhaps you should try some spelling variations:
"advanced python python computer programming" » "advanced python python computer program" (Expand search), "advanced python python computer programs" (Expand search), "advanced method python computer programming" (Expand search), "advanced path python computer programming" (Expand search), "advanced symphony python computer programming" (Expand search), "advanced pythons python computer programming" (Expand search), "advanced piton python computer programming" (Expand search), "advanced pitons python computer programming" (Expand search)
"knowledge retention in java programming" » "knowledge generation in java programming" (Expand search), "knowledge creation in java programming" (Expand search), "knowledge integration in java programming" (Expand search), "knowledge retention in and programming" (Expand search), "knowledge retention in based programming" (Expand search), "knowledge retention in goal programming" (Expand search), "knowledge retention of java programming" (Expand search), "knowledge retention in japan programming" (Expand search), "knowledge retention in jatai 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: "((\"knowledge retention in java programming\") OR (\"advanced python python computer programming\"))~".
• Removing quotes may allow a broader search: (( knowledge retention in java programming ) OR ( advanced python python computer programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("knowledge retention in java programming") OR ("advanced python python computer programming"))*.