Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"dua lang van snippets" » "cua lang van snippets", "quan lang van snippets", "dual land van snippets", "dua dang van snippets", "dua tang van snippets", "dua hoang van 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 java snippets") OR ("dua lang van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dua lang van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("dua lang van snippets"))) or ("locating bug core snippets"))*.