Perhaps you should try some spelling variations:
"advanced functionality an string problem" » "and functionality an string problem" (Expand search), "advanced functionality and string problem" (Expand search), "advanced functionality in string problem" (Expand search), "advanced functionality on string problem" (Expand search), "advanced functionality an sizing problem" (Expand search), "advanced functionality an rostering problem" (Expand search), "advanced functionality an sharing problems" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking python 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: "((\"advanced functionality an string problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( advanced functionality an string problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced functionality an string problem") OR ("using coding python python programming"))*.