Perhaps you should try some spelling variations:
"dung deng code snippets" » "dung dong code snippets", "dung dang code snippets", "dung dung code snippets", "dung deng core snippets"
"dung may che snippets" » "dung va che snippets", "dung tai che snippets", "mang may che snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code 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 may che snippets") or ("dung deng code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung may che snippets") OR ("dung deng code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung may che snippets ) or ( dung deng code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung may che snippets") or ("dung deng code snippets"))) or ("locating bug code snippets"))*.