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