Perhaps you should try some spelling variations:
"dong cong code snippets" » "duong cong code snippets", "dung cong code snippets", "dang cong code snippets", "dong cong cong snippets", "dong cong co snippets", "dong cong che snippets", "dong cong code slippers"
"dong hoc code snippets" » "dong co code snippets", "dong luc code snippets", "dong hoc co snippets", "dong hoc cong snippets", "dong hoc de snippets", "dong hoc code slippers"
"locating bug code 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: (((("dong cong code snippets") or ("dong hoc code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cong code snippets") OR ("dong hoc code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cong code snippets ) or ( dong hoc code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cong code snippets") or ("dong hoc code snippets"))) or ("locating bug code snippets"))*.