Perhaps you should try some spelling variations:
"dang thanh duc snippets" » "dong thanh duc snippets", "dang hanh duc snippets", "hoang thanh duc snippets", "dang thach duc snippets", "dang than duc snippets", "dang thinh duc snippets", "dang thanh duc slippers"
"dung vbug code snippets" » "dung vung code snippets", "dung vbug code slippers", "dung vbung code snippets", "dung vbugs code snippets"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dang thanh duc snippets") or ("dung vbug code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang thanh duc snippets") OR ("dung vbug code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang thanh duc snippets ) or ( dung vbug code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang thanh duc snippets") or ("dung vbug code snippets"))) or ("locating bug code snippets"))*.