Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"doc hieu vi snippets" » "toc thieu vi snippets", "hoc thieu vi snippets", "hoc hien vi snippets", "doc hieu voi snippets", "doc hieu va snippets", "doc hieu ve snippets", "doc hieu vi slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 code snippets") OR ("doc hieu vi snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doc hieu vi snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doc hieu vi snippets"))) or ("locating bug code snippets"))*.