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

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 dan slippers") OR ("python using data snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( du hoc dan slippers ) or ( python using data snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("du hoc dan slippers") or ("python using data snippets"))) or ("locating bugs code snippets"))*.