Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"vu dong chen snippets" » "vu dong chan snippets", "vu dong che snippets", "vu dong chuyen snippets", "vu duong chen snippets", "tu dong chen snippets", "vu cong chen 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 java java snippets") OR ("vu dong chen snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vu dong chen snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vu dong chen snippets"))) or ("locating bugs code snippets"))*.