Perhaps you should try some spelling variations:
"coder precoder time constant programming" » "coder precoder time constraint programming" (Expand search), "coder precoder time content programming" (Expand search), "coder precoder time constraint programmig" (Expand search), "coder decoder time constant programming" (Expand search), "coder recovery time constant programming" (Expand search), "coder proper time constant programming" (Expand search), "coder precoded mimo constant programming" (Expand search), "coder precoder the constant programming" (Expand search), "coder precoder time constraints programming" (Expand search), "coder precoder rate constant programming" (Expand search)
"api pythons python python programming" » "api pitons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pythons piton python programming" (Expand search), "api pythons pitons python programming" (Expand search), "api pythons pytm python programming" (Expand search), "api python 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 time constant programming") OR ("api pythons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder time constant programming\") OR (\"api pythons python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder time constant programming ) OR ( api pythons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder time constant programming") OR ("api pythons python python programming"))*.