Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"lua hoi tiep snippets" » "lua hoa tiep snippets", "lua noi tiep snippets", "lua hoi tieu snippets", "luat hoi tiep snippets", "cua hoi tiep snippets", "lua doi tiep 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 hoi tiep snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( lua hoi tiep snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("lua hoi tiep snippets"))) or ("locating bug core snippets"))*.