Perhaps you should try some spelling variations:
"cong hoa tranh snippets" » "cong hoa thanh snippets", "cong hoa trang snippets", "cong hoa doanh snippets", "dong hoa tranh snippets", "dong hoc tranh snippets", "hang hoa tranh snippets", "cong hoa tranh 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: (((("cong hoa tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong hoa tranh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong hoa tranh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoa tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.