Perhaps you should try some spelling variations:
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"dong anh cong snippets" » "hong anh cong snippets", "dong thanh cong snippets", "hoang anh cong snippets", "dong hanh cong snippets", "dong anh dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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