Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trong chuc su snippets" » "trong thuc su snippets", "trong chu su snippets", "trong chuan su snippets", "trong phuc su snippets", "trong chuc nu snippets", "trong chun su 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 ("trong chuc su snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trong chuc su snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trong chuc su snippets"))) or ("locating bug core snippets"))*.