Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"phan ngoc doi snippets" » "pham ngoc doi snippets", "tran ngoc doi snippets", "van ngoc doi snippets", "phan ngoc hoi snippets", "phan nuoc doi snippets", "phan ngoc dong 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 ("phan ngoc doi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( phan ngoc doi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("phan ngoc doi snippets"))) or ("locating bug core snippets"))*.