Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"chon dat thoi snippets" » "hon dat thoi snippets", "chinh dat thoi snippets", "cho dao thoi snippets", "chon dao thoi snippets", "chon dat thi snippets", "chon cac thoi 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 ("chon dat thoi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( chon dat thoi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("chon dat thoi snippets"))) or ("locating bug core snippets"))*.