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", "dung using java slippers"
"dong hieu dac snippets" » "dung hieu dac snippets", "dong trieu dac snippets", "doc hieu dac snippets", "dong hieu cac snippets", "dong bieu dac snippets", "dong chieu day snippets", "dong hieu dac slippers"
"locating bug code snippets" » "locating bug code slippers", "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 hieu dac 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 hieu dac snippets") OR ("dung using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong hieu dac snippets ) or ( dung using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong hieu dac snippets") or ("dung using java snippets"))) or ("locating bug code snippets"))*.