Perhaps you should try some spelling variations:
"lochating bug code snippets" » "locating bug code snippets", "lochating bug core snippets"
"python using java snippets" » "python using data snippets"
"si van hoc snippets" » "si van hoa snippets", "su van hoc snippets", "so van hoc snippets", "vi van hoc 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: (((("si van hoc snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( si van hoc snippets ) or ( python using java snippets ))) or ( lochating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("si van hoc snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.