Perhaps you should try some spelling variations:
"dung trong che snippets" » "dung trong cho snippets", "dung trong chien snippets", "dung trong cham snippets"
"cong so java snippets" » "cong san java snippets", "cong hoa java 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: (((("cong so java snippets") or ("dung trong che snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong so java snippets") OR ("dung trong che snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong so java snippets ) or ( dung trong che snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong so java snippets") or ("dung trong che snippets"))) or ("locating bug code snippets"))*.