Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data slippers" » "python using java slippers", "python using sat slippers", "python missing data slippers", "python using data slippery", "python using data grippers"
"du hoc dai snippets" » "du hoc dan snippets", "tu hoc dai snippets", "duoc hoc dai snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("du hoc dai snippets") OR ("python using data slippers"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( du hoc dai snippets ) or ( python using data slippers ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("du hoc dai snippets") or ("python using data slippers"))) or ("locating bugs code snippets"))*.