Perhaps you should try some spelling variations:
"coder in coding systems implementation" » "coder in coding system implementation" (Expand search), "coder in coding its implementation" (Expand search), "coder in costing systems implementation" (Expand search), "coder in cooling systems implementation" (Expand search), "coder in decoding systems implementation" (Expand search), "coder non coding systems implementation" (Expand search), "coder and coding systems implementation" (Expand search), "code in coding systems implementation" (Expand search), "codes in coding systems implementation" (Expand search), "poder in coding systems implementation" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 in coding systems implementation") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder in coding systems implementation\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder in coding systems implementation ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder in coding systems implementation") OR ("on python python python programming"))*.