Perhaps you should try some spelling variations:
"coding coding string _ programming" » "coding decoding string _ programming" (Expand search), "coding using string _ programming" (Expand search), "coding canine string _ programming" (Expand search), "coding coding using _ programming" (Expand search), "coding sewing string _ programming" (Expand search), "coding comparing string _ programming" (Expand search)
"python python python python programming" » "pythons python pythons python programming" (Expand search), "piton python piton python programming" (Expand search), "pitons python pitons python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding coding string _ programming\") OR (\"python python python python programming\"))~".
• Removing quotes may allow a broader search: (( coding coding string _ programming ) OR ( python python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coding coding string _ programming") OR ("python python python python programming"))*.