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"
"van du son snippets" » "van duy son snippets", "van dau son snippets", "van de son snippets", "van do son snippets", "van vu son 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: (((("van du son snippets") OR ("python using java snippets"))) OR ("lochating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( van du son snippets ) or ( python using java snippets ))) or ( lochating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van du son snippets") or ("python using java snippets"))) or ("lochating bug code snippets"))*.