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