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