Perhaps you should try some spelling variations:
"coder coder using multivariate data" » "coder coder and multivariate data" (Expand search), "coder decoder using multivariate data" (Expand search), "code code using multivariate data" (Expand search), "decoder codec using multivariate data" (Expand search), "coder coders using multivariate data" (Expand search), "coder cover using multivariate data" (Expand search), "coder code using multivariate data" (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 coder using multivariate data") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using multivariate data\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder using multivariate data ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder using multivariate data") OR ("on python python python programming"))*.