Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao hoc vat slippers" » "dai hoc vat slippers", "dan hoc vat slippers", "day hoc vat slippers", "dao hoc va slippers", "dao hoc viet slippers", "dao thuc vat slippers", "dao hoc vat slippery", "dao hoc vat 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.

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