Perhaps you should try some spelling variations:
"powder drying using some examples" » "powder during using some examples" (Expand search), "powder spraying using some examples" (Expand search), "powder using using some examples" (Expand search), "powder drying in some examples" (Expand search), "powder drying using som examples" (Expand search), "powder drying using soil examples" (Expand search), "powder drying using soft examples" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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: (("powder drying using some examples") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"powder drying using some examples\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( powder drying using some examples ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("powder drying using some examples") OR ("_ python python python programming"))*.