Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"dung nhat nhoa snippets" » "dung nhan nhoa snippets", "dang nhat nhoa snippets", "dung nha nhoa snippets", "dung nhat hoa snippets", "dung nha khoa snippets", "dung nhan khoa snippets", "dung nhat nhoa slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("dung nhat nhoa snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dung nhat nhoa snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung nhat nhoa snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung nhat nhoa snippets"))) or ("locating bug code snippets"))*.