Perhaps you should try some spelling variations:
"dong doi cong snippets" » "dong doi code snippets", "duong doi cong snippets", "dung doi cong snippets", "dong hoi cong snippets", "dong doi song snippets", "dong noi cong snippets", "dong moi cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java 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 doi cong snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong doi cong snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong doi cong snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong doi cong snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.