Perhaps you should try some spelling variations:
"duong doi ban snippets" » "duong loi ban snippets", "dung doi ban snippets", "huong doi ban snippets", "duong di ban snippets", "duong do ban snippets", "duong dong ban snippets", "duong doi ban 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: (((("duong doi ban snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong doi ban snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong doi ban snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong doi ban snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.