Perhaps you should try some spelling variations:
"dong cong che snippets" » "duong cong che snippets", "dung cong che snippets", "dang cong che snippets", "dong cong cho snippets", "dong cong chi snippets", "dong cong chu snippets"
"dung von java snippets" » "dong von java snippets", "dung cong java snippets", "dung va java snippets", "dung von va snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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