Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dong trong vo snippets" » "duong trong vo snippets", "dung trong vo snippets", "cong trong vo snippets", "dong trong va snippets", "dong trong co snippets", "dong tuong vo 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 ("dong trong vo snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong trong vo snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong trong vo snippets"))) or ("locating bug core snippets"))*.