Perhaps you should try some spelling variations:
"coder precoder space convex programming" » "coder precoder space cone programming" (Expand search), "coder precoder space computer programming" (Expand search), "coder decoder space convex programming" (Expand search), "coder precoder space concept programming" (Expand search), "coder precoder space center programming" (Expand search), "coder precoder space curves programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder precoder space convex programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder space convex programming\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder space convex programming ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder space convex programming") OR ("_ python python python programming"))*.