Perhaps you should try some spelling variations:
"thi duc thanh snippets" » "thi duc thang snippets", "thi duc tan snippets", "thi de thanh snippets", "thi cuc thanh snippets", "thi dua thanh snippets", "thi du thanh snippets", "thi duc thanh 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: (((("thi duc thanh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi duc thanh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi duc thanh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi duc thanh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.