Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"lang du chat snippets" » "lang duc chat snippets", "nang du chat snippets", "tang du chat snippets", "lang duoc chat snippets", "lang dung chat snippets", "lang doc chat 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 ("lang du chat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lang du chat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lang du chat snippets"))) or ("locating bug core snippets"))*.