Perhaps you should try some spelling variations:
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"dung cua a7 slippers" » "dung luan a7 slippers", "dung cho a7 slippers", "dung cua 7 slippers", "dung cua am slippers", "dung cu a7 slippers", "dung cua a7 slippery", "dung cua a7 grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using data snippets") or ("dung cua a7 slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using data snippets") OR ("dung cua a7 slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using data snippets ) or ( dung cua a7 slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using data snippets") or ("dung cua a7 slippers"))) or ("locating bug code snippets"))*.