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