Perhaps you should try some spelling variations:
"coder precoder dsp java programming" » "coder precoder dsp and programming" (Expand search), "coder precoder dsp based programming" (Expand search), "coder precoder dsp goal programming" (Expand search), "coder decoder dsp java programming" (Expand search), "coder precoder hp java programming" (Expand search), "coder precoder _ java programming" (Expand search), "coder decoder sp java programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api 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 dsp java programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder dsp java programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder dsp java programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder dsp java programming") OR ("api python python python programming"))*.