Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dung tu trac snippets" » "dung thu trac snippets", "dung tru trac snippets", "dung cu trac snippets", "dung tu truc snippets", "dung ty trach snippets", "dung tap trac 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 tu trac snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dung tu trac snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dung tu trac snippets"))) or ("locating bugs code snippets"))*.