Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"van thinh java snippets" » "van trinh java snippets", "van think java snippets", "van thanh java snippets", "van chinh java snippets", "van minh java snippets"
"using a core snippets" » "using _ core snippets", "using a care snippets", "using a corn 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: (((("using a core snippets") OR ("van thinh java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using a core snippets ) or ( van thinh java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using a core snippets") or ("van thinh java snippets"))) or ("locating bugs code snippets"))*.