Perhaps you should try some spelling variations:
"odor coding using linear program" » "odor coding using linear programmin" (Expand search), "odor coding using linear programming" (Expand search), "odor loading using linear program" (Expand search), "odor modeling using linear program" (Expand search), "odor drying using linear program" (Expand search), "color coding using linear program" (Expand search), "odor binding using linear program" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in python 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: (("odor coding using linear program") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"odor coding using linear program\") OR (\"via python python python programming\"))*".
• Removing quotes may allow a broader search: (( odor coding using linear program ) OR ( via python python python programming ))*.