Perhaps you should try some spelling variations:
"odor coding using an instructor" » "odor coding using and instructor" (Expand search), "odor coding using and instructors" (Expand search), "odor coding using an instruction" (Expand search), "odor modeling using an instructor" (Expand search), "odor drying using an instructor" (Expand search), "color coding using an instructor" (Expand search), "odor binding using an instructor" (Expand search)
"manim python python python programming" » "manim pythons python python programming" (Expand search), "manim piton python python programming" (Expand search), "manim pitons python python programming" (Expand search), "monty python python python programming" (Expand search), "api 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 an instructor") OR ("manim python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"odor coding using an instructor\") OR (\"manim python python python programming\"))".
• Removing quotes may allow a broader search: (( odor coding using an instructor ) OR ( manim python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("odor coding using an instructor") OR ("manim python python python programming"))*.