Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung tri den snippets" » "dung tai den snippets", "dung tren den snippets", "nhung tri den snippets", "dung tri ben snippets", "dung trinh den snippets", "dung thai den 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 ("dung tri den snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung tri den snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung tri den snippets"))) or ("locating bug core snippets"))*.