Perhaps you should try some spelling variations:
"dung dung he snippets" » "duong dung he snippets", "ung dung he snippets", "dung ung he snippets", "dung dung cho snippets"
"dung dbbugss code snippets" » "dung dbbugss core snippets", "dung dbbungss code snippets", "dung dbbugsss code 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 dbbugss code snippets") or ("dung dung he snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dbbugss code snippets") OR ("dung dung he snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dbbugss code snippets ) or ( dung dung he snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dbbugss code snippets") or ("dung dung he snippets"))) or ("locating bug code snippets"))*.