Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"cham hat van snippets" » "cham mat van snippets", "pham nhat van snippets", "nham phat van snippets", "cham hoat van snippets", "cham ha van snippets", "cham hai van snippets"
"locating bug core snippets" » "locating bug 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 ("cham hat van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cham hat van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cham hat van snippets"))) or ("locating bug core snippets"))*.