Perhaps you should try some spelling variations:
"develop function in triangular problems" » "develop function in singular problems" (Expand search), "develop function in triangle problems" (Expand search), "develop function in triangular process" (Expand search), "develop functions in triangular problems" (Expand search), "development function in triangular problems" (Expand search), "develop education in triangular problems" (Expand search), "develop function and triangular problems" (Expand search), "develop function _ triangular problems" (Expand search), "develop function of triangular 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("develop function in triangular problems") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"develop function in triangular problems\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( develop function in triangular problems ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("develop function in triangular problems") OR ("using coding python python programming"))*.