Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"luu van trinh snippets" » "luu van thinh snippets", "luu van tinh snippets", "luu dan trinh snippets", "cuu van trinh snippets", "luan van trinh snippets", "luu hanh trinh 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 ("luu van trinh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luu van trinh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luu van trinh snippets"))) or ("locating bug core snippets"))*.