Perhaps you should try some spelling variations:
"_ convolutional coding of program" » "_ convolutional codes of program" (Expand search), "_ convolutional code of program" (Expand search), "_ convolutional long of program" (Expand search), "_ convolutional coding of programs" (Expand search), "_ convolutional bonding of program" (Expand search), "_ convolutional coding _ program" (Expand search)
"advanced estimation python python programming" » "advanced automation python python programming" (Expand search), "advanced optimization python python programming" (Expand search), "advanced oxidation python python programming" (Expand search), "advanced estimation portion python programming" (Expand search), "advanced estimation method python programming" (Expand search), "advanced animation python python programming" (Expand search), "advanced estimation pythons python programming" (Expand search), "advanced estimation piton python programming" (Expand search), "advanced estimation pitons 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: "((\"_ convolutional coding of program\") OR (\"advanced estimation python python programming\"))~".
• Removing quotes may allow a broader search: (( _ convolutional coding of program ) OR ( advanced estimation python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("_ convolutional coding of program") OR ("advanced estimation python python programming"))*.