Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"vung bo cong snippets" » "vung bao cong snippets", "dung bo cong snippets", "vung o cong snippets", "vung so cong snippets", "vung cao cong snippets", "vung hoc 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 bo cong snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( vung bo cong snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("vung bo cong snippets"))) or ("locating bugs code snippets"))*.