Perhaps you should try some spelling variations:
"dang vinh tran snippets" » "dang dinh tran snippets", "dang sinh tran snippets", "dang tinh tran snippets", "dang minh trang snippets", "dang tinh trang snippets", "dang vinh thang snippets", "dang vinh tran slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 vinh tran snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang vinh tran snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang vinh tran snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang vinh tran snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.