Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"lua hoc thiet snippets" » "lua hoc thieu snippets", "lua hoc thuyet snippets", "lua hoc hien snippets", "luan hoc thiet snippets", "luc hoc thiet snippets", "cua hoc thiet 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 ("lua hoc thiet snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lua hoc thiet snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lua hoc thiet snippets"))) or ("locating bug core snippets"))*.