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