Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dung hon tu snippets" » "dung hong tu snippets", "dung hoc tu snippets", "dung con tu snippets", "dung chon tu snippets", "dung han tu snippets", "dung mon tu 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 hon tu snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dung hon tu snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dung hon tu snippets"))) or ("locating bugs code snippets"))*.