Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dung hoc chu snippets" » "dong hoc chu snippets", "dung thuoc chu snippets", "trung hoc chu snippets", "dung hoc cau snippets", "dung hoc cho snippets", "dung hoc thuc 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 hoc chu snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dung hoc chu snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dung hoc chu snippets"))) or ("locating bugs code snippets"))*.