Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"doc hanh thi snippets" » "hoc hanh thi snippets", "duc hanh thi snippets", "doi hanh thi snippets", "doc nhanh thi snippets", "doc hanh thoi snippets", "doc anh thi 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 ("doc hanh thi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doc hanh thi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doc hanh thi snippets"))) or ("locating bug core snippets"))*.