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"
"do duc hoc snippets" » "do duoc hoc snippets", "do luc hoc snippets", "do du hoc snippets", "dao duc hoc snippets", "do duy 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: (((("do duc hoc snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( do duc hoc snippets ) or ( python using java snippets ))) or ( lochating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do duc hoc snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.