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"
"hoc tan do snippets" » "hoc dan do snippets", "hoc tap do snippets", "hoc tai do snippets", "hoc tang do snippets", "hoc toan do snippets", "hoc tuan do 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: (((("hoc tan do snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( hoc tan do snippets ) or ( python using java snippets ))) or ( lochating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hoc tan do snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.