Perhaps you should try some spelling variations:
"phan anh tranh snippets" » "phan canh tranh snippets", "phan lanh tranh snippets", "phan anh thanh snippets", "pham anh tranh snippets", "phan thanh tranh snippets", "phan dang tranh snippets", "phan anh 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: (((("phan anh 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: (((("phan anh tranh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan anh tranh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan anh tranh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.