Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dung thi lan snippets" » "dung tai lan snippets", "dung tri lan snippets", "dung chi lan snippets", "dung thi hanh snippets", "dung thi nang snippets", "dung thi lien 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 thi lan snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dung thi lan snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dung thi lan snippets"))) or ("locating bugs code snippets"))*.