Perhaps you should try some spelling variations:
"coder coder decoder in string" » "coder encoder decoder in string" (Expand search), "code code decoder in string" (Expand search), "decoder codec decoder in string" (Expand search), "codesc poder decoder in string" (Expand search), "coder coder recorder in string" (Expand search), "coder coder decoder _ string" (Expand search), "coder coder decoder using string" (Expand search)
"api pitons python python programming" » "api pitons pythons python programming" (Expand search), "api pitons piton python programming" (Expand search), "api pitons pytm python programming" (Expand search), "api citons python python programming" (Expand search), "api pitoni python python programming" (Expand search), "api pitoes 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 coder decoder in string") OR ("api pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder in string\") OR (\"api pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder decoder in string ) OR ( api pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder decoder in string") OR ("api pitons python python programming"))*.