Perhaps you should try some spelling variations:
"dung trong cham snippets" » "dung trang cham snippets", "dung trong cac snippets", "dung trong nha snippets"
"dung rate code snippets" » "dung dat code snippets", "dung vat code snippets", "dung mat code snippets", "dung rate core 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 rate code snippets") or ("dung trong cham snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung rate code snippets") OR ("dung trong cham snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung rate code snippets ) or ( dung trong cham snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung rate code snippets") or ("dung trong cham snippets"))) or ("locating bug code snippets"))*.