Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dung xuan ho snippets" » "duong xuan ho snippets", "dung luan ho snippets", "dung quan ho snippets", "dung xuan ha snippets", "dung xuan huy snippets", "dung xuan thu 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 core snippets") OR ("dung xuan ho snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dung xuan ho snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dung xuan ho snippets"))) or ("locating bugs code snippets"))*.