Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"vung ke cong snippets" » "vung kem cong snippets", "vung re cong snippets", "vung ky cong snippets", "vung te cong snippets", "vung ve cong snippets", "vung khoe cong 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 ("vung ke cong snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( vung ke cong snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("vung ke cong snippets"))) or ("locating bugs code snippets"))*.