Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"van luong chu snippets" » "van duong chu snippets", "van cuong chu snippets", "nang luong chu snippets", "van luong cho snippets", "van luong thuc snippets", "van luong thi snippets"
"using a java snippets" » "using _ java snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using a java snippets") or ("van luong chu snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("van luong chu snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( van luong chu snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("van luong chu snippets"))) or ("locating bugs code snippets"))*.